2003 Pontiac Grand Am starting

2003 PONTIAC GRAND AM
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KIRSTIEDOTSON89
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Engine Performance problem
2003 Pontiac Grand Am 6 cyl Automatic 125000 miles

A few weeks ago my car wouldn't start and both the battery and alternator were checked and said to be good. I jumped the starter and it started right up. Days ago, it wouldn't start again and I have been having the same problem but the car can now be jumped by the battery. Any ideas??
Mar 29, 2010 at 6:45 PM
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RASMATAZ
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Pick your symptom:

Cranks but no start condition:

Fuel and Spark:
Get a helper disconnect a sparkplug wire or 2 and ground it to the engine at least 3/16 away from ground -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.


No crank at all/nothing/nada:

Could be the starter, starter relay, clutch switch/park and neutral switch and ignition switch assuming the battery and connections are good.
Mar 29, 2010 at 9:58 PM
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