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2007 Chevrolet Impala loss of power

Tiny
PAT2007
  • MEMBER
  • 2007 CHEVROLET IMPALA
  • 3.9L
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 105,000 MILES
Driving down the hwy lost power and change oil lite and trac control lite came on so I am thinking transmission is in limp mode but also think it could be crank sensor
Friday, February 6th, 2015 AT 5:59 AM

2 Replies

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Scan it first as it may be an abs problem and trans problem
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Friday, February 6th, 2015 AT 7:04 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,643 POSTS
Nope, the engine is going into limp mode and the reason for that is usually the throttle bore needs to be serviced. Here is a guide to help explain and I have included how to fix it in the images below.

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

Please go over tis guide as well.

https://www.2carpros.com/articles/throttle-actuator-service

Check out the images (below). Please let us know what happens.
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Thursday, July 18th, 2024 AT 6:07 PM

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