98 Grand Prix GTP won't start

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  #1  
Old 04-02-07, 11:01 AM
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98 Grand Prix GTP won't start

70,000 miles, never had a problem. I was out this morning, started and ran just fine. Got back in a few hours later to go out, when I turned the key my hand slipped (guess I didn't hold it long enough for it to start.) It started for second the stopped. When I tried again, same thing keeps happening - starts for a few seconds then dies. I let it sit for 30 minutes longer, tried again, but got the same thing (except maybe it ran a few seconds longer before dying.) Any ideas? Is it flooded? If so, what is the solution, or how can I tell if it is flooded?

thx, Don
 
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  #2  
Old 04-02-07, 01:17 PM
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It's hard to flood a fuel injected motor. It's more prone to carb's. Is your battery weak? Is there fuel?
 
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Old 04-02-07, 04:01 PM
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I think I would lean towards fuel delivery. Possible you have a weak fuel pump; when you turn the key to "on" the pump runs for a few seconds to pressurize the system. When you crank, there may be enough pressure to get it to fire for a few revolutions, but then the pressure isn't enough to continue running. Going to need a fuel pressure test to rule that out.
 
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Old 04-03-07, 08:37 AM
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Smile 98 Grand Prix

Yes the problem seems to be fuel delivery, check the fuel filter 2, blow out the fuel lines they might be clogged.

Good Luck!!
 
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Old 04-03-07, 01:47 PM
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Well, the last time I tried it did not even start for the few seconds - turns but doesn't fire. So I had the service center come to tow it. Before they took it I tried one more time, same thing. Of course once they got it at the shop, it started right up no problem.

They told me that it is likely the fuel pump, and that this is a common problem that they see - doesn't start, then the car getting moved around while being towed jars something and it starts again. So now they are letting sit and periodically starting it until it fails again.

Does this sound right? I'm afraid that it won't fail again while at the shop, and then it fails and leave me stranded somewhere.

Don
 
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Old 04-03-07, 04:17 PM
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I can confirm that I've performed the magical tow truck fix on quite a few vehicles - car won't start in owner's driveway, tow it to a garage, mechanic reaches in and turns the key & it fires right up. The next troubleshooting step is to catch it when it won't start and then take a big rubber mallet and wail away on the underside of the gas tank. If it then starts, good bet it's the pump.
 
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