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1991 Pontiac Grand Am stalls out

Tiny
FICARRA
  • MEMBER
  • 1991 PONTIAC GRAND AM
Engine Performance problem
1991 Pontiac Grand Am 4 cyl Front Wheel Drive Automatic

start-up and drives for about 11 or so miles then dies out when driving wont start back up for about 25 mins. Has a high idle some times
Wednesday, September 22nd, 2010 AT 1:06 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Next time it stalls out don't wait do below to determine if its fuel or spark issue

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/COP/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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Wednesday, September 22nd, 2010 AT 5:40 AM

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