2007 Chevrolet Impala loss of power

2007 CHEVROLET IMPALA
105,000 MILES • 3.9L • 6 CYL • FWD • AUTOMATIC
Avatar
PAT2007
  • MEMBER
  • 1 POST
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
Feb 6, 2015 at 5:59 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
Advertisement
Avatar
HMAC300
  • CAR REPAIR CONTRIBUTOR
  • 48,601 POSTS
scan it first as it may be an abs problem and trans problem
Feb 6, 2015 at 7:04 AM
Advertisement
Avatar
STRAILER
  • CAR REPAIR CONTRIBUTOR
  • 54,189 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.
Images (Click to enlarge)
Attached Media
Attached Media
Attached Media
Attached Media
Attached Media
Jul 18, 2024 at 6:07 PM