2000 Grand Prix SE

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  #1  
Old 12-26-04, 11:35 AM
PhillyDrew
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Question 2000 Grand Prix SE

Hi all...My 2000 Pontiac Grand Prix SE has 107K miles on it.
Recently, at about 1800 RPM the tachometer begins to fluctuate and the car feels like the transmission is slipping. I generally am on the highway when this happens and last night the RPMs where down around 1000 when crusing on the highway. THe car has power when i want it but this fluctuation makes me worry.
Any suggestions or comments?
 
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Old 12-26-04, 01:52 PM
Desi501's Avatar
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Location: Boynton Beach Florida
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Sounds like you have the beginnings of a problem with one of the primary ignition components. The primaries consist of the crank sensor, ignition module, half of the coil and all related wiring and connectors or even the PCM. It may have to get a little worse to be able to find the problem.
 
  #3  
Old 12-26-04, 02:59 PM
PhillyDrew
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Angry This is not good is it?

what should i do in the interim or do I have to wait for it to fail ..car is covered under warranty still ..should i get diagnostic test done?
 
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Old 12-26-04, 03:00 PM
PhillyDrew
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What is PCM?

What is PCM?
 
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Old 12-26-04, 03:01 PM
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If it's under warranty, just make it their problem. It won't be easy to find they'll have to try.

Originally Posted by PhillyDrew
What is PCM?
Power Control Module (computer)
 
  #6  
Old 12-26-04, 03:10 PM
PhillyDrew
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Thank you Desi

This is really a great board...I will take it in tomorrow..
Thank you Desi !
 
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