Question about 2003 Pontiac Grand Am

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Grand am gt 2003 stops running difficult ot start towed to repair - on computer shows no problem - started next day - next day drove 40 miles ok on return trip on freeway car loosing power push accelerator rpm increase no speed increase pulled over side of road .. frustarated waiting to be towed to delaership

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  • larry_walatk Jul 17, 2010

    vehicle was at repair shop yesterday and no computer problem indicated they also changed oil... so if corrosion or condensation having it sit will dry it out or allow to start?

  • larry_walatk Jul 17, 2010

    The quesition is actually for me son who is getting ready to deploy in 2 months while his new bride is ready to deploy to afghanastan in 2 weeks. a car problem for now keeping them on the side of the road is a problem when we are 8 hours away..thanks I will pass your information on to THEM.

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Hello
If it shows no codes then it is likely the fuel pump is losing pressure, any electronic problem will set a code in the Powertrain control modules memory, I have been doing this type of automotive repair work for 30 years and there is never a quick answer to these types of intermittent stall problems, the one piece of advice is make sure the shop can duplicate the problem, that may take a few days, make sure that shop has the proper testing equipment for this GM car, this means test gear that can be hooked up and will monitor the system when the stall out occurs, don't let them start throwing parts at the problem, if that is what they propose the tow your car to a GM dealer where the test equip is avail to diagnose the problem when and if they can duplicate it.

Posted on Jul 17, 2010

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  • Master
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Check all connections to the battery, and main connections to the fuse block. Wetness can cause corrosion and when it runs for awhile it can short out

Posted on Jul 17, 2010

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