Question about 1993 Pontiac Grand Prix

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1993 grand prix dying

I have a 1993 pontiac grand prix le 3.1 and it keeps dying on me. Right now it is mainly when i come to a stop at a light or stop sign. When it dies I can turn it over and push the gas all the way down and it will start. But then for the next couple of stops i have to work the gas and brake to keep it from dying. I have changed the low coolant sensor, fuel filter, crankshaft sensor, ignition module, coils, plugs and wires. Now everyone is completly stumped as to which way to go. I need help please.

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Your engine needs to re-learn its idle parameters. disconnect your battery for a minute or two, then reconnect and start vehicle and apply park brake and put it in drive. let it run for 10mins then shut it down and wait another minute and start it again and let run 5 mins. that should do it.

Posted on Oct 26, 2010

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Provided you don't have a vacuum leak, (check all hoses for tightness and cracks with engine running) it's probably your idle air control valve or sensor.

Posted on May 21, 2009

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