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Pontiac Repair/2000 Grand Prix GTP

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Question
I have a supercharged gtp that the low traction light goes off and the rpm gage stops working. After I turn off car all goes away for a long time and then reappears. Any suggestions would be great.

Answer
Hi Ronn:

I take it that this happens at the exact same time? the engine control module and the anti-lock brakes are inter twined systems. with out knowing what codes are set in the engine control module and or the ABS module it's hard to tell you what is going on with this. you could have a torque signal wiring issue between the anti-lock and engine control module that there is an issue on (this is sort of like a net work cable) between the 2 modules but it's just 2 wires. or you could have an issue with the ignition control module and that is why your loosing the tac feed to insterment cluster assembly. have you have any stalling issues with this car as well? for just the tac and warning lights?? I'm just thinking out loud sorry. I would stop by a big box car parts store and have the car scanned for codes. they do that for free and see what if any codes are stred in the car's control modules and go from there a code will be a starting point to start looking for this issue.  

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Todd Puccio

Expertise

General auto repair,electrical issues,driveability issues,anti-lock brakes,SIR systems,HVAC,engine performance,Gm specific. I have worked at my current dealership since the 1990 model year anything much older than that I have limited exposure to. I do not have very much transmission experience so those question you may want to ask of another expert. When you send me a question let me know the exact make/model/engine and year for the car or suv you have it makes it easier to answer the questions that way. If your happy with the answer I gave you please feel free to Donate. This is a free service to you and I am not compensated at all by this web site. I have 22 years of experience to share with you and my knowledge wasn't free to me. I had to pay for my education.

Experience

Experience in the area: I have been a technician in GM dealerships for over 22 years and I am a ASE master technician. I work at a Buick and GMC truck store Previously I worked at a Pontiac GMC store for 18 years. I Served a a lead technician when dealership was on a team system. I just recently moved to a Buick,Hummer,Saab Store when my franchise was purchased by this dealership. Organizations: ASE master technician

Organizations
ASE

Education/Credentials
Education/Credentials:High school diploma,2 year vocational school degree 2 year college degree. Associates degree in applied sciences (auto technology)Awards and Honors: GMC master technician

Awards and Honors
Master GMC truck technician Master ASE technician in 9 categories

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