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Crank is the start more failing to turn the engine. You truck does crank, but refuses to start.
3 conditions must be met for any internal combustion engine to start.
1 it much have with in reason compression. No comp, no start no matter what.
2 it must have spark, no spark and fuel won't matter.
3 it must have fuel
You left out timing.
It can still have the other three, but it has to be in time to run. Think of a distributor installed 180 degrees out. You may still have fuel, spark and compression but it ain't gonna start like that. Same thing with a jumped timing chain or belt although then it may lose some compression.
To the OP, now knowing what vehicle you have, more than likely you have a fuel pump problem. You can whack the bottom of the tank with a 2x4 or something similar while someone tries to start it. Sometimes that jars it enough to start working again but if it does start, it ain't fixed. It still needs a pump.
Yes it has 3/4ths of a tank.I got it towed to a shop they checked the fuel filter its fine,fuel pump is fine it has 55 pressure,he got it cranked after he sprayed some starter spray in it but it won't crank unless he does that. He says the spark plugs need replaced but that shouldn't be the reason it isn't starting.
Spraying starter fuel and the engine runs means there is a fuel delivery problem...this in that the fuel is NOT getting into the combustion chamber.
Am not familiar with the Yukon but with any fuel injection system the injectors have to open and close...if they don't then NO fuel ...then it's a electrical problem with the FI system.
my 1996 suburban want start.. I went to the store came home.. the next morning it sound like it was out of gas.. turns over but want start. i put gas in it still want start but i know it wasn't out of gas
I have a 89 gmc truck. My husband was comin home from work and it just died. He said its like it ran out of gas. He changed the fuel pump and filter. Still won't crank. It will turn over but it won't start. Please help.
I am not a GM guy, but I think that has a carb like injection system, and if someone turned the key you might see fuel with the air filter cover off. You would have to look down in the injection body a carb like thing in this case, and i could be very wrong. For all I know by this date GM went to some other kind of injection system.
What engine is this? I am guessing a bigger V-8.
not the 97 and up all had multiport fuel injection and had the Vortec 5.7 V-8 and were pretty good engines like any SBC or BBC you are thinking of the 305ci TBI set up on the early 88-90's models and the 305 TBI was a underpowered and setup that most of them would be off the roads by know since parts and experienced shops that want to tune an ancient TBI set up is why GM went and pretty much used a detuned LT1 built for a truck and the 305 was replaced by the last of the real SBC block before the LS engine series came out.
whoops just see the OP says he has a 89 and chances are it is a 305 TBI in which case I would swap it out for a 2 barrel carb or small 4barel set up that replaces the TBI systems or a have a some what built 350 or 383 Stroker dropped in.
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I mean the DIY side of me leans to this since it has a factory warranty and sure a speed shop can build a one for less or more powerful but to swap that into a truck with a stack tranny and the tiny 7.5" GM rear axle will mean that you will have a beefed up TH400 or a 700R4 and a Ford 9" Rear axle but it eliminates the fuel pump and make the truck fell like it turned into a whole other vehicle.
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