2003 Pontiac Grand Am Won't start

Tiny
CHICKENSOUP
  • MEMBER
  • 2003 PONTIAC GRAND AM
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 27,000 MILES
When cold the engine starts easily. After it's driven and I stop and turn off the engine, and try to restart, the car cranks nicely however it won't turn over, until it cools down. The fuel pump has been replacedat a cost of $540. However the problem still remains.
Tuesday, March 30th, 2010 AT 6:43 PM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time don't wait for it to cool down, do below to determine if its fuel or spark problem

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine -have helper crank engine over-do you have a snapping blue spark? If so-you have a fuel related problem, check the fuel pressure to rule out the fuel filter/fuel pump/pressure regulator and listen to the injector/s are they pulsing or hook up a noid light. No snapping blue spark continue to troubleshoot the ignition system-power input to the coil/coil packs, coil's resistances, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it
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Tuesday, March 30th, 2010 AT 11:05 PM

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