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Pontiac Repair/1997 Pontiac Bonneville SSE Special Edition


Hi, My car starts good after a few minutes driving it starts to jerk like it wants to cut off but when I get to a certain speed it runs fine, I have had the plugs and wires changed, the fuel pump and filter changed the coil packs changed  HELP!!!! whats left? can you tell me whats making it jerk like that?

the engine is a 3800 no supercharge 1997 Pontiac Bonneville SSE Anniversary Edition

Hi Debi:

A likely cause if it wants to stall and or stalls and misses is a crank shaft position sensor. Very common on that car. BUT usually they will stall when it happens. Another likely cause could be the mass air flow sensor. if the car runs poorly all the time once it warns up try unplugging the MASS air sensor and drive it the check engine light will be on and it will hesitate from a stop but see the the bucking/jerking goes away if it does then that's the culprit. good luck :-)

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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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