Engine Wont Start After Rebuild

I rebuilt the carb and still nothing. When ether (starting fluid) is sprayed into the air intake the engine will fire like it. You crank and crank and crank but it just won't run. All of the Full Bore rebuilt engines are built with new top quality parts, pistons, rings, pins, clips, rods, bearings, gaskets and seals. Sometimes, the starter motor won't produce any sounds, not even a click, when you try to start the engine. With some engine designs it is quite difficult to wet the bores but spoonfull of oil or fluid should be enough,it will have to be removed before the plugs are back in and serious attempts are made to start the engine. Alright people, i need some help. 5, I’ve double checked the timing marks as I started to question myself and have done the ignition timing about 3 times. If the temperature sensor circuit is open or shorted, the ECU assumes the engine temperature is 20 deg C or 68 deg F while starting, then when running, assumes the engine temperature is 80 deg C or 176 deg F. JD 650 wont start - fuel pump or Tractor Engine Repair Rebuild Tractor Engine Repair Rebuild I have a John Deere 650 compact tractor, diesel. Maybe as was said before your heater plugs/intake heating device isnt working properly (if it has such a thing,, short it out and test it. Drive the car easy, and change the oil and adjust the valves again after 100 miles or so. you won't start. What To Do When Your Bike Won't Start - Dr. 0l engine won't start (usually) SOLVED!! If this is your first visit, be sure to check out the FAQ by clicking the link above. Keep an eye on the temp gauge after you start the engine for the first time. after driving a short while engine dies and wont restart. (but can occur within the entire Mercedes range from 2001-2016) W204 C Class 2007-2012; W212 E Class 2008. Lately when I go to start it up it will not start without 15 minutes or so of battery charging. Note: For similar tutorials regarding the two-speed ZA50 engine, please see Disassemble a Puch ZA50 Engine See also: How to build a Puch E50 Gilardoni engine. Next lets sit in the driver's seat. the sensor on the back of the engine is the knock sensor , possibly without this connected the engine wont run , as for timing the engine , you can push 8mm drill bits into the holes in the cam pulleys to lock them to correct position as theres locating holes behind the pulleys machined into the cylinder head, if the timing is the slightest bit out they dont start. Every part that went back into the engine checked o. 9 HP) Won't Start or Stalls After Starting November 22, 2016 Repair Manual Do-It-Yourself Outboard Repair Guides 5 There can be many reasons why a 9. This could mean the pinion gear got stuck at the flywheel ring gear. checked plug for spark which is blue. If there is fuel in the carb bowl, it should start and run long enough to pull fuel through the system. How do I align my engine? Universal inboard marine engines should be installed so that the engine mounts are securely attached using the correct fasteners, aligned with the propeller shaft to a tolerance of. I have checked for spark and there is spark. New Eldebroke Carburator in place carb is spitting out. Got my Kohler rebuilt and installed back on the 317. After the initial Referee inspection, future Smog Check inspections can be obtained at a regular Smog Check station. When putting a engine together spin the crankshaft a complete turn upon placing each part onto the engine,such as each main cap,and each piston and rod. Before anything, timing was on the nose before the engine was cranked. Running out of options: Rebuilt engine-no oil pressure : Last night I was finally ready to start my rebuilt engine after 7 months of almost constant work. 5 engine in my boat, which I have just rebuilt after the crankshaft died. No start after engine rebuild VW MKIV-A4 TDIs (VE and PD) Yes what I did and it seemed to be successful was use a vacuum to pull fuel up from the tank through the filter and into the IP intake line. This is not very difficult for someone with a good mechanical aptitude and/or common sense. 5 engine in my boat, which I have just rebuilt after the crankshaft died. Tried a little starting fluid in the air chamber and still won't start. Can't say the same for my old Tiger 10 with the maggy ignition. The car won't start after carburator rebuild. This page is going introduce you to the most basic small engine repair and is written mainly to help you get an engine that has been improperly stored running again. If the engine won't turn over and the starter is good, then there could be a mechanical issue. Leave it for about 10 minutes for fuel to evaporate before attempting a re-start. It has the 2. i have fuel to the seperator. Small Engine Troubleshooting. Rebuilt Engine Start-up & Break-in Information Specifically for Rotary Resurrection Rebuilds Once a fresh rebuild is assembled and installed there are a couple of things to do before trying to make it run. Below is a chart of common Engine problems and some easy troubleshooting to fix the problem you may be experiencing. car wont start after head rebuild. This was in the way of the bump stop bracket. 03 Cobra won't start after engine rebuild Cuz I did put a new one on while I rebuilt my engine Aug 22, 2015 #20. If engine starts/runs then quits when the added gas burns off, the problem will probably be dirty carb. Learning View shows no diagnostic trouble codes. I mean I get it that you've gotta start somewhere, but been there, done that when I was a kid and it never ended well. After checking gap, gently install new rings onto the pistons while being careful not to bend or break them. I finished my LSJ engine rebuild last weekend, and I've spent the last week trying to get it to start. If this is your first visit, be sure to check out the FAQ by clicking the link above. The process took me 2. Engine Stalling, Surging or Running Rough. A worn out engine will only continue to have less power, and be harder to start. Kicks every once and awhile. you'll need to replace or rebuild the petcock. Some engines will start right up and be perfect after not being started for 25 years and setting outside in a puddle. No visible oil on the ground or all. Any ideas as to what may be causing this problem? Well, your engine needs fuel, air, compression and spark to run. It takes three things for a diesel engine to run. New Eldebroke Carburator in place carb is spitting out. And after all of it the car wont start an when it does it rough idles and runs like it was before i got it all fixed. It caused my truck not to start for a month as it sat there and I was beside myself trying to figure it out. Remove the spark plugs and let them lay on the head connected to the wires. since you have already addressed filter, fuel lines, pump. Today was to be special as after a year of restoring my MGB I started newly rebuilt engine. Several hours later, I attempted to start the truck again, and it started just fine. Shut it off, start up and it then shifts fine. Our rebuild, however, was done in the cockpit and the first start was done right in the boat. No start after engine rebuild VW MKIV-A4 TDIs (VE and PD) Yes what I did and it seemed to be successful was use a vacuum to pull fuel up from the tank through the filter and into the IP intake line. A properly rebuilt engine. Page 8- A20 Weber rebuild 2nd Gen. New cylinder head,gasket,plugs,new t,belt. you'll need to replace or rebuild the petcock. When you rebuiild one, it becomes a 1600 because only the stroke is different and it's not THAT much different. Personally, I would consider that option if a vehicle was worth at least $4,000 and I wanted to keep it for a long time. After replacing bearings and rebuilding engine, it turns but won't start, though everything seems to be in order. I had the same problem with the Itasca I had a few years ago and it was a bad ground engine to chassis. You can hear the car getting ready to start, you can hear the enging clicking and trying to engage to turn the engine over, but it doesn't. If it is too large, the valve won't open all the way and if it is too small (or non-existent), the valve may not properly close, which can lead to overheating and valve seat damege. Cant getted started. Unlike other diesel engines the Powerstroke has two oil pumps. I have just rebuilt a 1956 G80S, engine, carburettor , etc It did run before the rebuild all be it very roughly I am now not getting any life out of the engine after the rebuild, despite very many kicks ! Is there an idiots guide as to what to check through?. It tried to start, even got a backfire. A couple of days ago I noticed the battery was flat again, so today I charged it up. This video will show you how to start an engine after it has been completely rebuilt. Honda EU2000i won't start! Need Help!!! Well, I'm stumped on this one. i've let rebuilt engines sit for years before using themthe 283 in my `36 sat for 7 years before i used it. The engine won't start because there's no signal at any injectors , I scope the circuit and they're all dead. Starter will spin, but wont start engine. It would run pretty bad and die after a minute or so. After several hand cranks and set TDC, are the marked chain links supposed to be back at the same position ? I found that mine didn't come back at the same position but still 16 links: Again, my car still won't start with the camshaft position sensor plugged in. This is the clearance between the camshaft and the valve stem. Sometimes, the starter motor won't produce any sounds, not even a click, when you try to start the engine. Timing can't be adjusted. Once the engine is out of the water, you'll need to get the water out of the engine. have a check engine light on? get an auto store to read the code?. I've tried to jump start it and although the engine is turning over fine and mechanically sounds fine,it just wont start!. I have just rebuilt a 1956 G80S, engine, carburettor , etc It did run before the rebuild all be it very roughly I am now not getting any life out of the engine after the rebuild, despite very many kicks ! Is there an idiots guide as to what to check through?. Have gas to the carb and spark at the plug. Outdoor Power Equipment, Small Engine, Lawn Mower Repairs, Troubleshooting and Safety SEARCH THIS SITE: Home Page. One factor you probably did not consider as to why your chainsaw won't start is a result of having bad fuel in the tank. Engine start-up and the first few hours is probably the most critical time for your engine to survive a long healthy life! Every engine needs what is called an engine break-in procedure. After a prolonged 'down time' and extension hose line, fuel pump, tank and battery replacement, the starter make the most horrendous gear-grinding noise, and bike won't start. If the engine won't turn over and the starter is good, then there could be a mechanical issue. It caused my truck not to start for a month as it sat there and I was beside myself trying to figure it out. Can't find any threads on anyone rebuilding their own power steering pumps. 9 horsepower Mercury outboard will not activate; e. It has the 2. Bought this 1977 KZ400 as a winter project with my son. " This is caused by the kickback of the engine when you have too much spark advance. Starter will spin, but wont start engine. The Volvo Penta marine gas engine has been in production since around 1935 as an outboard or inboard marine engine. Once it cranks it is good as long as you crank every hour or so. Below is a chart of common Engine problems and some easy troubleshooting to fix the problem you may be experiencing. If you had the choice of someone rebuilding the rear-end in your car with a new housing versus them putting in a remanufactured one with a seasoned housing, take the remanufactured one. I doubt that you would ruin the fuel filter primer pump by pumping it real good until the primer pumps hard. hi all, i have rebuilt my 2005 crf250r engine fully gearbox,crank,topend but now it won't start i cleaned the carby out, it pumps fuel and the exhaust after kicking it smells of petrol, it has spark and the timing is perfect i would hope so. Check for spark with lead on plug and earth spark plug on cylinder head fin. This guide will help you diagnose and fix your hard-to-start Briggs & Stratton engine. I just had the exact same thing happen to mebackfiring through carb after a rebuild, wouldn't start no matter what I did, adjust valves, set timing, new distributor, wires plugs, new heads, rebuilt carb, no intake vacuum leaks, good compression, plenty of fuel, spark and great oil psi. For whatever reason,the battery was flat. The process took me 2. The rubber bushings wear out and make a popping sound with the engine torque. I've checked the timing over and over again. So, I recently built my Satsuma, but it won't start. Shouldn't the plugs be wet? I have also checked the muffler for suction, and it seems fine while the engine turns over. When I tried to start it. Just rebuilt a 2011 yz250 2 stroke -new piston, piston rings -new oil, coolant, spark plug After the rebuild the bike started no worries, during the first ride it cut out on me and havent been able to start it since. Leave it for about 10 minutes for fuel to evaporate before attempting a re-start. engine won't start after rebuild (backfires) When i try to start it, it will only fire once or twice and then dies. Finally before giving up, I found the TDC sensor wire rubbing on the engine block, where it had rubbed thru the wire insulation. Rebuild engine car would not start till after 2 crank sensors then started till warm up and died no firing was told bad sensor replace agian wont. Same thing, no codes, engine won't start, but it won't show rpm while cranking either. Put it all back together put some gas in her 93 and 32:1 with yamalube 2r new spark plug and it doesn't want to start. / failure to start January 31st, 2014, 09:31 PM I didnt know what the choke was doing during this, I assume it was closed because it was very cold. I'll assume you've cleaned the air filter, so the next step is to remove the spark plug to see if it's wet. I rebuilt the engine on my 1991 Miata, I got it all back together yesterday, we tried starting it up, it will crank and try to start, but it just won't After Rebuild Engine Won't Start - ClubRoadster. You can hear the car getting ready to start, you can hear the enging clicking and trying to engage to turn the engine over, but it doesn't. If any one of these isn’t there, you aren’t going anywhere. You may have to register before you can post: click the register link above to proceed. In a front-engine layout, the starter is mounted low down near the back of the engine. You'll find some old bikes have a very specific cold starting procedure. Starter motor is so-so, but cranked same engine before rebuild without any problems. Got my Kohler rebuilt and installed back on the 317. New Eldebroke Carburator in place carb is spitting out. It won't idle (just like before the rebuild) but I was able to kick start it a few times after the initial start. i have fuel to the seperator. Hello, I just finished my 1st engine rebuild, tried to start it, but it just keeps cranking and won't start. 9 horsepower Mercury outboard will not activate; e. As soon as the truck is driven, the white smoke should stop and won't re-appear until the next cold start. Finally, try to start the engine again, but without using the choke. I've got a peugeot diesel 206 tdi that won't start. The later models had a drainage channel or pipe specifically to cure the problem. After the engine warms up, the aluminum piston expands more than it's iron cylinder, reducing the excessive clearance between the piston and cylinder wall. Today was to be special as after a year of restoring my MGB I started newly rebuilt engine. As soon as I turned the key the engine turned, and there was a bit of a bang and some smoke in the engine bay - which seemed to come from the right side around the spark plugs & exhaust manifold. Re: After Rebuild Engine Won't Start 1. Car wont start after Carburetor rebuild I recently rebuilt my Stromberg WW carb, meticiously getting every detail right. Windows Update and BITS services won't start Windows Update and Background Intelligent Transfer Service don't appear on the Services list and I can't get Windows Update to update without them. The final step in our total engine rebuilding is to run/start the engine & create a video. Once its in and seated just remember not to turn the engine upside down on the engine stand. Rebuild by Needles rebuilding duck place patchwork underwear brown size: 30 (rebuilding by needles) Discovery Channel launches "Rebuilding Alabama" project Rebuild the wall Expert: New images show North Korea rebuilding launch site The Pursuer Private Funds Vs. My 1978 XJ-S was now twenty-five years old. Remove a manifold plug to burp out the air. See "Why My Engine Won't Start" section above or use the Q&A guide below. Don't use this info by itself to rebuild your engine. Full Bore’s Platinum Sea doo engine line is often copied but never duplicated. It won't idle (just like before the rebuild) but I was able to kick start it a few times after the initial start. When I changed the fuel filter I did not fill the filter first just pumped it from the lever on the lift pump a couple of times. Raise the engine speed to 3000RPM Holding the engine speed at 3000RPM, turn the ignition key to the “off” position, While simultaneously depressing the gas pedal all the way down. Re: 1995 carryall1 wont start after engine rebuild Does anybody know the answer to my question above about the 2 ends of the wire labeled 22? 08-18-2016, 05:36 PM. I have seen people get these mixed up after a head job. If the carburetor hasn't been rebuilt on your small 2-stroke engine within the last 5 years and you're having trouble with it (hard to start, won't start, has been stored improperly), you should re-build the carburetor. IGOTACUMMINS is an online forum and community for all Cummins Turbo Diesel enthusiasts. Finally got it put in a 2000 Golf TDI the original engine was blown. It started normally. If it is too large, the valve won't open all the way and if it is too small (or non-existent), the valve may not properly close, which can lead to overheating and valve seat damege. If it runs, it probably indicates some kind of DME problem (the DME is not sending power to the fuel pump). I have a briggs and stratton engine lawn mower. Timing marks line up, turns by hand fine, try to start, starter cranks faster creating high compression, crank gear spins, no start, go double check by hand, turns fine due to easing into the compression strokes, try again, slips a little more, double check, fine, etc, ect. Shut it off, start up and it then shifts fine. 06/06/2016; 9 minutes to read +2; In this article. I've replaced the spark plugs w/(ngk), wires (std), cap & rotor. Issues after engine rebuild This is a discussion on Issues after engine rebuild within the Maverick XXC forums, part of the Can-Am Maverick Forums category; I have a 2014 Maverick XXC 1000R. Then, install new pistons, rings, gaskets, and seals, as well as the piston and rod assemblies and the head. Put it all back together put some gas in her 93 and 32:1 with yamalube 2r new spark plug and it doesn't want to start. I pull over. 03 Cobra won't start after engine rebuild Cuz I did put a new one on while I rebuilt my engine Aug 22, 2015 #20. ENGINE CRANKS BUT WON’T START Series 3 XJ6. Switch to synthetic oil but not before 500-1500 miles. engine won't start after rebuild. - The engine turns over (cranks) very slowly. It also backfire's when pulling the rope. Ran it for many years, but was getting harder to start, chugging around sometimes and dying, or having to run with choke partially out. Normally its due to lack of compresion when a diesel wont start easily. As I slowly increase curb idle to keep engine from stalling, opening throttle after every 1/8 turn, it will go from barely running to about 2000 rpm & stay there for about a minute or so & then idle down on it's own & start to die. Even with today’s improved batteries, if it hasn’t happened to you yet, it will. If this is your first visit, be sure to check out the FAQ by clicking the link above. Engine Cranks But Won't Start What’s causing the no-start? All engines require three things to start and run: spark, fuel, and compression. Hello, I just finished my 1st engine rebuild, tried to start it, but it just keeps cranking and won't start. If you do it could fall back out. Remove the spark plugs and let them lay on the head connected to the wires. Manual transmission cars may have a neutral safety switch activated by the clutch pedal throw and shift sensor (after all, the car can be in neutral with the clutch out). The Volvo Penta marine gas engine has been in production since around 1935 as an outboard or inboard marine engine. Hi all the cars in the garage,still. 3 no start is to simply check the oil level. You keep pedaling and can hear the piston moving up and down in the cylinder, trying to start the motor but you're not getting any power. Re: 97 Sea Doo GTX Won't Run After Rebuild First thing to do is check the crankshaft to see if it is indexed 180*, with one piston exactly at TDC while the other is exactly at BDC. Parts of a 4 stroke engine; Engine operating principles; Bearings and bushings; Crankshaft anatomy; Basic operation of a float type carburetor. I have a Land Rover 2. I've got a peugeot diesel 206 tdi that won't start. (the number 1 cylinder of the engine must be on the compression stroke-if it's not, the engine won't be in time and will not start) It's also a good idea to remove the valve covers during priming to be sure that oil is reaching the top of the engine. the first securing hardware you need to remove are are the two bolts that the transmission hangs from – right above the bell housing and right in front of the engine. If it's a 302 it more than likely has the positive stop rocker arm adjustment, (where there is a sequence of tightening rockers at 3 different alignment places on the harmonic balancer pulley). The engine was running when I bought it but I 1) put a rebuilt Carter carb on it, 2) changed most of the gaskets and seals, 3)rebuilt the fuel pump, and 4) changed out all the ignition parts (wires, points coil, switch). Before I rebuilt the carb I could get it to start by spraying carb cleaner in the carb. Had the alternator rebuilt – Now I’m getting a 12. FUEL SYSTEM. First time I took the engine out and put it in took about a month. There can be many different reasons for this, the most basic of which are shown below. Hi all the cars in the garage,still. 0025" as it has no oil drainage from the exhaust side. You may have to register before you can post: click the register link above to proceed. Won't start when hot: If the engine spins too easily check for valves that are sticking open. I have turned the carb 180 still no fire. If spark everywhere, use a gage and check proper fuel pressure and fuel injector pulse. Every part that went back into the engine checked o. I've seen alot of people have trouble starting the engine after doing these, seems like the left sensor on the head (camshaft postion/crank postion?) is pretty sensitive. If the engine spins but won’t start when you turn the ignition key, the engine is missing one of its key ingredients for starting—fuel, compression or spark. If the engine computer failed to pro­duce a spark, you have to figure out whether it is the coil, the pickup, the module, or the wiring somewhere in be­tween the Ecm. Remove the spark plugs and let them lay on the head connected to the wires. Bought this 1977 KZ400 as a winter project with my son. What makes this a real pain is the fact that the guy before me took of the timing mark on the engine so I have been trying to work out the TDC by watching the valves / looking at photographs online of where the mark should be. Only one coil should be buzzing at any given time based on the timer position. My engine would not start after a rebuild as well. be) and I'm thinking when I got rid of the virus I accidentally deleted something important in the registry. Has pcm programed by pcm for less. A bent or broken ring means that you have to buy a whole new set. Can't say the same for my old Tiger 10 with the maggy ignition. BJ, I won't be able to help a lot (hopefully Robert or someone will pipe in here soon). Engine had 80 PSI of compression on a dead cold motor, it's within spec Forum Main Tech Help/Race Shop 2011 kx250f won't start after rebuild. Is your fuel fresh? Stale, untreated gas begins to break down after about. I rebuilt the carb and still nothing. You can hear the engine turn over and actually want to start. I've checked the timing over and over again. Remove the bolts that attach the timing cover to the front of the engine. Anyone had this problem with these types of nissan? And if anyone could help please respond. I have redone the head, new spark plugs almost everything one can think of to fix or replace on an engine. Plus, rebuilding a carburetor is time consuming and doesn't always work, especially if the internal parts are corroded. The first step in a 7. You may have to register before you can post: click the register link above to proceed. hotcobra03 Well-Known Member Established Member. Make sure that they are connected. It started up after the engine cleared itself from all the build up of fuel from trying and trying to start it. I recently did my first top end rebuild on my 1. ENGINE CRANKS BUT WON’T START Series 3 XJ6. Reply 1: if it ran before carb overhaul then recheck all your work and measurements it can be dirt. But my tank is full. recently bought a '85 g1 that was not running due to piston stuck in jug. Won't crank when engine hot After the engine bay has soaked in heat for a while it will not crank after shutdown. Sometimes idle smooth and rev's smooth. Re: diesel wont start after rebuild in reply to jim, 10-21-1999 04:37:56 Sounds like timing is still out, if you can, take the valve cover off, then rotate engine in proper direction checking valve sequence and cam lift as you go. I have spark, and after repeated cranking the plug is moist with fuel, so I think I have spark, fuel, and compression, but it won't even sputter, nothing at all. When your engine starts and stalls, it is often due to standard maintenance problems. The most common problems with the old IDI engines is hard/no start or stall after starting, so that will comprise the bulk of the tips section. The failure may have occurred suddenly, maybe even gradually got worse, or started after having a flat battery or jump starting another car. Rebuilt the starter and replaced the ignition switch/ solenoid 3. I do smell fuel so I know fuel is going through, and after testing the spark plugs, I get no sparks. On Sunday we got in it to take it back to storage and it won't start. This sound usually means a dead battery. Turning the key, the starter motor runs, and the engine turns with virtually no resistance - so smooth that at first I thought the starter motor was just spinning without turning the engine. Check the plug. Below is a chart of common Engine problems and some easy troubleshooting to fix the problem you may be experiencing. Rebuilding Chrysler's 'Revived' Engine Family That’s good news for rebuilders, because most of them are in vehicles that are worth fixing when they need an engine, but there’s some bad news, too. By the time your engine requires a rebuild (one to three gallons, depending on how you care for your engine) you should be somewhat familiar with this step, especially if you built your kit. hi all, i have rebuilt my 2005 crf250r engine fully gearbox,crank,topend but now it won't start i cleaned the carby out, it pumps fuel and the exhaust after kicking it smells of petrol, it has spark and the timing is perfect i would hope so. There is plenty of gas going. It will start with a very bad idle when the camshaft position sensor is unplugged. Only one coil should be buzzing at any given time based on the timer position. It wont stay running so I can't check fuel pressure. Drive the car easy, and change the oil and adjust the valves again after 100 miles or so. The engine won't start because there's no signal at any injectors , I scope the circuit and they're all dead. but it's not about how you spin the engine, but about the fire triangle (fuel/air/spark). He said it tries at higher rpms but it won't budge. the sensor on the back of the engine is the knock sensor , possibly without this connected the engine wont run , as for timing the engine , you can push 8mm drill bits into the holes in the cam pulleys to lock them to correct position as theres locating holes behind the pulleys machined into the cylinder head, if the timing is the slightest bit out they dont start. After hours and hours of checking this that and the other finaly got to the bottom of the problem. Parts of a 4 stroke engine; Engine operating principles; Bearings and bushings; Crankshaft anatomy; Basic operation of a float type carburetor. If allowed to idle after a cold start, a very slight amount of white smoke can be detected for several minutes. * Checked fuses in black plastic box on passenger side of engine. By waiting for the sediment to settle before trying to restart the engine, you're making sure that the fuel has a clear path to flow through. New Eldebroke Carburator in place carb is spitting out. " If I were the unlucky skipper, I'd. Replaced starter. The biggest mess was the wiring, so I rewired from scratch, to legal minimums, using several wiring diagrams. If it doesn't at least hiccup after 4-5 pulls after a prime something is wrong ,no spark ,drowned plug. 9l 1985 weekender. It caused my truck not to start for a month as it sat there and I was beside myself trying to figure it out. On Sunday we got in it to take it back to storage and it won't start. Vapor lock is a fuel system problem, usually found on older cars with low-pressure fuel systems. Just put my engine (NX650) back together after a rebuild, and it wont start! Here is some information about the situation: 1) Spark - new plug, gives spark, the only thing I'm not sure about timing, as I have old timing light, and I can only check timing when cranking the engine - the thing is that I cannot see for sure when spark is given;. Everything is all buttoned up and ready to go but engine won't start. Engine turns over good but there's no spark even though the coil primary leads show 12 V with the starter switch on. If it doesn't at least hiccup after 4-5 pulls after a prime something is wrong ,no spark ,drowned plug. from here you will need to start looking inside the engine to make. I've got a real head-scratcher here. I unfortunately didnt get the cam gear seal in correctly and it's so bad its spurts oil from it. 89 Chevy C1500 4. After a prolonged 'down time' and extension hose line, fuel pump, tank and battery replacement, the starter make the most horrendous gear-grinding noise, and bike won't start. Maybe as was said before your heater plugs/intake heating device isnt working properly (if it has such a thing,, short it out and test it. I drive it several times a week and the only work I've done is have the Weber 40s tuned/adjusted by a Porsche specialist. Thanks to this mill's hydraulically activated fuel injection system, relying on cold engine oil to actuate the injectors properly at startup can be a tall order in frigid weather. Then will start idling rough, and while revving it will miss/hesitate a bit. If you do it could fall back out. check to make sure its gettin fuel thru the gas line and that the float isnt stuck, if doesnt do anything then you need to recheck the timing. But after an hour of effort, you just might have an operational engine, and you'll save a bundle by fixing it yourself. You may have to register before you can post: click the register link above to proceed. Now put the engine in it's top gear and again try to push it. Normally a tight piston after rebuild won't get tighter if it never got hot from test running. When under pressure, water and engine coolant boil at a higher temperature. the valves were WAYYYYYY off, and it effects the compression releese. Since you're the one with a bike that won't start and the problem may be related to the engine having been unable to breathe, after this startling revelation of how the air filter looks, a new spark plug should be a must, along with a Compression Test while the spark plug is out just to check out the condition of the top end after running with. Following DatsunZgarage instruction and use clear tube to adjust float level for both SU carb. Have you disconnected any engine wiring related to the cam sensor, because the cam sensor and fuel temp sensor have the same plug and with plug into each other and reach each other. from here you will need to start looking inside the engine to make. Re: diesel wont start after rebuild in reply to jim, 10-21-1999 04:37:56 Sounds like timing is still out, if you can, take the valve cover off, then rotate engine in proper direction checking valve sequence and cam lift as you go. Finally before giving up, I found the TDC sensor wire rubbing on the engine block, where it had rubbed thru the wire insulation. I even removed a injector line to see if fuel cane out. 5 hp mower, Sears Hi, it was flooding out throat, so I checked the float and it had gas in it. The engine won't start because there's no signal at any injectors , I scope the circuit and they're all dead. As soon as the truck is driven, the white smoke should stop and won't re-appear until the next cold start. try spraying a little wd-40 , or some gas in the plug hole put the plug back in and try it. Re: yanmar ym 2000 won't start "The tractor runs but sounds bad more knocking than normal, tons of white smoke on idle black smoke on high throdlle, the motor seems to get hotter than normal, I have bleeded the injectors. If the nitro engine is flooded (unusually hard to turn over). The engine ran fine the last time I used it (two weeks ago) and now it won't start. After the engine rebuild???? How long can an engine that is properly rebuild with all the correct lubes and what not sit before first start up? Trying to decide which direction to go with my 66. hi all, i have rebuilt my 2005 crf250r engine fully gearbox,crank,topend but now it won't start i cleaned the carby out, it pumps fuel and the exhaust after kicking it smells of petrol, it has spark and the timing is perfect i would hope so. Has spark to the plugs. Rebuilt engine. The starter spins—but doesn’t talk the engine into firing. And after all of it the car wont start an when it does it rough idles and runs like it was before i got it all fixed. this will give the proper velocity/vaccum of air when kicking the engine over to suck fuel through the idle. I pull over. I bought it cheap, but have completely tore it down not knowing anything about chainsaws and have had a blast learning how to rebuild it. I rebuilt it and installed it. The car turns over when I turn the key, but it just won't start. LS3 won't start--any ideas? I believe VATS will enable the engine to start then shuts it down after a few seconds of running. ok i rebuilt my engine and for some reason it wont start getting great compression i have the service manual and went by it step by step on the timing cam sproket 6 oclock and crank sproket 12 oclock lined up the distributor at #1 where it says on the distributor i just checked it and im getting. Just rebuilt a 350 small block engine cranks but won't start gas shoots up from carb and smoke does as well engine backfired violently through carburetor how do you get it timed right so it fires?. Engine won't RESTART after rebuild Just finished reassembly after replacing piston rings and valve seals and turn it over to find it fire right up. Cant getted started. Vapor lock is a fuel system problem, usually found on older cars with low-pressure fuel systems.