2007 Chevrolet Impala loss of power

2007 CHEVROLET IMPALA
105,000 MILES • 3.9L • 6 CYL • FWD • AUTOMATIC
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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 5, 2015 at 9:59 PM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
scan it first as it may be an abs problem and trans problem
Feb 5, 2015 at 11:04 PM
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STRAILER
  • ✓Experienced Mechanic
  • 55,224 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

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Jul 18, 2024 at 11:07 AM
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