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Pontiac Grand Prix SE

Tiny
CATIE91
  • MEMBER
  • 1995 PONTIAC GRAND PRIX
  • 6 CYL
  • AWD
  • AUTOMATIC
  • 180,000 MILES
I have a 1995 pontiac grand prix se, I was less than a mile away from home and it made an awful sound, and hasn't started since I turned the car off, ive changed the starter, alternator, front motor mount, fly wheel, and timing chain and my car still wont run. What should I do?
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Wednesday, July 27th, 2011 AT 9:03 PM

4 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
https://www.2carpros.com/articles/car-cranks-but-wont-start

Verify the valve and ignition timing if its correct-if okay look for fuel and spark
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Wednesday, July 27th, 2011 AT 9:19 PM
Tiny
CATIE91
  • MEMBER
  • 5 POSTS
Well we changed the timing chain then later when we pulled the motor out we realized that it was hooked up to the number 4 plug and not the number 1. Could that be the problem that its out of time?
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Wednesday, July 27th, 2011 AT 9:30 PM
Tiny
CATIE91
  • MEMBER
  • 5 POSTS
Well we changed the timing chain, and then after pulling the motor out realized that the number 1 plug was on the back of the motor and we had hooked everything up to the number 4 plug, could the car be really out of time?
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Wednesday, July 27th, 2011 AT 9:33 PM
Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Could be due to the wrong firing order-try switching it-don't work do below:

Get a helper disconnect a sparkplug wire or 2 and ground it to the engine atleast 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, Do you hear the fuel pump come On when you turn key on? If not check fuel pump fuse and fuel pump relay if okay-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, cap and rotor, distributor pick-up coil, ignition control module, cam and crank sensors and computer Note: If it doesn't apply disregard it and keep testing

If both fuel and spark is present-check the valve and ignition timing, this will lead you to problems
with compression and valves opening and closing at the wrong time/broken or jumped timing
belt/chain.
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Wednesday, July 27th, 2011 AT 9:56 PM

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