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Reduced engine power

Tiny
AISWOD
  • MEMBER
  • 2009 CHEVROLET HHR
  • 2.2L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 190,000 MILES
My vehicle listed above sporadically goes into "limp mode" and the dash indicator lights says "reduced engine power." I have had the throttle body changed twice, and the gas pedal assembly changed twice. I still have the same problem. What else could be causing this problem?
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Wednesday, June 10th, 2020 AT 11:04 AM

1 Reply

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

I attached a wiring diagram for you to view of the system.

I would like to do some testing. Do you have a voltmeter for the testing?

https://www.2carpros.com/articles/how-to-check-wiring

https://www.2carpros.com/articles/how-to-use-a-voltmeter

Roy
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Wednesday, June 10th, 2020 AT 12:21 PM

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