GMC Safari Repair Question
Cranks but will not start
It had a major tune up 1yr ago new wires also a new fuel pump
Two weeks ago without any problems signs or symtoms it would turn over and sounded like it was going to crank but it would not.Battery and fuel were good.
I had it towed in and it cranked for the mechanic who charged me $187.00 for a 5 mile tow and engine analysis.He said everything tested out fine.
It has performed fine until today and it is doing the same thing. No water or moisture could be the problem.
Have you guys got any suggestions.
By the way I will send a check for a small donation,I can't afford much and i don't have a credit card.
Thanks a million in advance. Steve I
sounds like low fuel pressure , do you hear fuel pump working ( open fuel cap have someone turn key on and listen for pump working ) try alternet fuel source ( either ) if start you know you have spark and injector pulse , if not then check for spark .
let me know if you need anything else
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I have right now the same problem. The Van sometimes stalls while driving, for a second, and goes again well. Or stalls idling, and engine goes off, I turn on again and run well. Sometimes won' t start for awhile, even for long time. Then next day start it and goes well. I brought it to test, and they didn't find any failure. They said it could be many things, and I have feelings that even could be the ECM, computer control, that somebody said after 10 years can have some failure. Before to give a fault to the Fuel Pump, we should check, the basic things which Spark Plugs, Injections, Relays, Pipes, just basic check, then check the ECM and see if is creating some false signal, or if ECM has something burnt, or is some acid ruined cisrcuit, then the fuel pump. In my case might not be the Fuel Pump, but it might be after checked all just mentioned.
Lert me know
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You might check the crank sensor. Your symptoms sound like that could be the culprit if the fuel pump checks ok.
6 questions asked