Question about 1999 Pontiac Grand Am GT

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Car wont work after the initial warm up die down situation

Car will not start once warmed up after a 20 minute drive. Once pulled to the side of the road car cools in 5 minutes start the engine and it runs once again for 5 -10 minutes then dyes down again. We replaced the catallytic converter that wasnt it. A sensor that wasnt it.

Now the car wont run at all.
What could it be?

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  • Ralph Koozer Apr 29, 2014

    It is either not getting spark or not getting fuel. The easiest way to track it down is to try a small squirt of starting fluid into air intake. If the car fires then dies it is a fuel problem check fuel pressure and so forth. It it doesn't fire with starting fluid, then trouble shoot the ignition system.

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Crank sensor or module. Check fuel pressure too.

Posted on Jul 03, 2009

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