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Pontiac Repair/2008 Pontiac G6


When I am driving the tack jumps up and down around 200-300 rpms.  Its not just the tach you can feel the what seems to be the transmission and you speed varies with this.  I really notice this when the cruise control is on it is a constant issue.  Yet when at idol the engine does not do this?

hey chad
what engine is in this V5 or 4 cylinder? any other issues in this car running wise. any warning lights on? or have been on? does it feel iike it's the tranmsssion is slipping or is it just like some one is fluttering the gas pedal? what happens when you come up to a stop sign or stop light? same thing?  

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Todd Puccio


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 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


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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