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1991 Pontiac Grand Prix 91 Grand Prix GTP 3.4L

Tiny
MOTOKING_1990
  • MEMBER
  • 1991 PONTIAC GRAND PRIX
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 99,982 MILES
I have a 91 Grand Prix GTP with the 3.4L and was driving it the other day and got on the gas a little and then it just died! The motor cranks over but doesn't start the tach doesn't go up when you crank it like it should either! The spark plugs do have spark and I went ahead and replaced the Crank Shaft Sensor and it didn't help. Also, I replaced the fuel pump, ignition module, and coils, plugs and wires, alternator and battery a few months before! If anyone has any ideas on what could be wrong it would be greatly appreciated! Thanks
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Wednesday, September 15th, 2010 AT 8:54 PM

5 Replies

Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Spray some starting fluid into intake to rule out fuel.
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Thursday, September 16th, 2010 AT 9:01 AM
Tiny
MOTOKING_1990
  • MEMBER
  • 10 POSTS
I have sprayed starting fluid and it doesn't do anything the car only has 99 thousand on it.
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Saturday, September 18th, 2010 AT 5:35 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Start checking fuses and fuseable links, it sounds like you have changed most ignition components.
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Sunday, September 19th, 2010 AT 8:35 AM
Tiny
MOTOKING_1990
  • MEMBER
  • 10 POSTS
Turns out the timing belt stripped out!
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Monday, October 4th, 2010 AT 3:54 PM
Tiny
MMPRINCE4000
  • MECHANIC
  • 8,548 POSTS
Great news. Thanks for using 2carpros.
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Tuesday, October 5th, 2010 AT 9:55 AM

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