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Engine power reduced/service traction control light on

Tiny
BARBARAT
  • MEMBER
  • 2008 CHEVROLET IMPALA
  • 98,000 MILES
Power cuts to half, but today, stopped completely. Turned car off, sat a few minutes and restarted. It got me home. I have read this is an issue on Chevrolet's. Before I get ripped off, what do I look for? I have heard throttle body sensor, accelerator pedal, and other fixes. Please help
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Sunday, June 30th, 2019 AT 5:46 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

There is a fault code stored for the issue in the PCM.

https://www.2carpros.com/articles/reduced-power-limp-mode

You can have it checked for free at a parts store and once I know that code, it will narrow the area of failure.

Yes, the throttle body and the pedal sensor are common but they are expensive guesses.

Roy

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Sunday, June 30th, 2019 AT 8:28 AM

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