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#1
12-22-2008, 09:48 PM
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Now a new problem
2001 Gran Prix GT 3800, Now we are driving down the road, the car jerks tach quits, and trac off light comes on. You can turn the car off, and restart it tach works trac light goes off . Strange. Anyone had this problem?
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#2
12-22-2008, 11:05 PM
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Re: Now a new problem
Sounds like it might be the crankshaft position sensor.
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#3
12-23-2008, 12:00 AM
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Re: Now a new problem
its not "a new problem"
Drhardware is correct. Replace the CPS.
__________________
-2000 Grand Prix GTP 170,000mi (daily driver) -2000 Olds Alero 100,000mi (soon to be DD with gas at $3.45/gal) -1997 Chev K1500 4x4 115,000mi (Natalie's truck [nans_grandprix]) AF "2.0" Community Guidelines Conservative Victory 2012!!! "I'll Keep my Guns, Freedom, and Money. You can Keep the Change!" ----->>>>> Did You Know? <<<<<-----
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#4
12-23-2008, 05:57 AM
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Re: Now a new problem
It's a trifecta. I agree with the first two posters, that you need a new crank position sensor as your symptoms are classic indicators that it's bad.
__________________
 Still waiting for the "good old days" I'll get to bore my future grandchildren with!
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#5
12-23-2008, 09:18 AM
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Re: Now a new problem
Quote:
 I had the same symptoms as the O.P. a few years back, replaced my CPS and has been smooth running ever since.
__________________
1997 GPGT 3.8 Dark Teal Metallic. 222000 4 door sedan No Mods
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#7
12-23-2008, 04:51 PM
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Re: Now a new problem
If you were in to betting on horses, then you would have reconized the word.
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#8
12-23-2008, 05:09 PM
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Re: Now a new problem
Quote:
__________________
1997 GPGT 3.8 Dark Teal Metallic. 222000 4 door sedan No Mods
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#9
01-01-2009, 06:56 PM
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Re: Now a new problem
Where is the PCM located?
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#10
01-02-2009, 08:49 AM
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Where is PCM
Someone had posted that my problem may not be the cps, but may be my PCM terminals. Can someone tell me where it is located.
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#11
01-02-2009, 08:53 AM
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Re: Where is PCM
Quote:
To answer your question the PCM module is located in the air box assembly. Same place where the air filter is located. You will have to open the air box up. Once open you will see the PCM. The PCM will have two 80 pin electrical connectors via the main engine wiring harness.
__________________
'08 Pontiac Grand Prix GXP (Dark Slate Metallic) - LS4 5.3L V8 '02 Oldsmobile Alero GL2 - LA1 3400 V6 '99 Buick Regal LS - L36 Series II 3800 V6 '03 Honda CR250R MX - 2 Stroke 250cc '97 Pontiac Grand Prix GTP - L67 Series II 3800 V6 Supercharged (Sold) Timeslip 08/12/06 AF Community Guidelines
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