1996 Pontiac Sunfire wont start

Tiny
NO1TINIERT
  • MEMBER
  • 1996 PONTIAC SUNFIRE
Engine Performance problem
1996 Pontiac Sunfire 4 cyl Front Wheel Drive Automatic 0ver miles

i changed the water pump, and turned it on, it ran for a short time, but cunked out, now it wont start, but cranks over, but doesnt misfire or back fire, could it be the electric egr?
Saturday, December 12th, 2009 AT 12:26 AM

1 Reply

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
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 -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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Saturday, December 12th, 2009 AT 12:51 AM

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