Abs/ traction control

Asked by GuruC1G9L Feb 24, 2019 at 08:49 AM about the 2007 Pontiac Grand Prix GT

Question type: Maintenance & Repair

I have a 2007 Pontiac grand prix gt
supercharged. When I am driving and the
speed gets to about 52 mph the
acceleration will not allow me to increase
speed it will fall back down to 45. As long as
the traction button is off/on it doesn't give
this issue. But, I have to keep turning the
button on/ off when I start the car in order
for it to run properly. Can someone point me
in the direction that would cas this issue?
We have changed the acceleration sensor,
the abs/traction sensor have been changed
as well. Could the wheel bearings be the
issue? PLEASE help!!!!

1 Answer
18,685

munron answered 5 years ago

Usually bearings, sensors, etc. just make the ABS shut off, which is no big deal. If its putting the car into limp mode which is what this sounds like, then it may be some other component. Scan it for trouble codes. Check that all electrical connections are tight and clean. After that you likely need to find a shop with a tech who knows how to trouble shoot before replacing a bunch of parts.

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