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Runs rough and check engine light on, codes PO102, PO113 and PO117

Tiny
MRS. AMERIKA
  • MEMBER
  • 2006 CHEVROLET HHR
  • 2.4L
  • 4 CYL
  • AUTOMATIC
  • 150,000 MILES
My car was running rough then the next day my check engine light came on and it gave me 3 codes from the code reader PO102, PO113 and PO117. So I changed the air filter and bought a new mass air flow sensor then erased the codes and drove it home. The check engine light came back on and it still runs badly.
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Wednesday, September 23rd, 2020 AT 10:04 AM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
Most likely you have a wiring issue. I included the testing for the P0102 as I suspect if you fix that one, you will fix all the issue. These sensors share a voltage feed so the fact that they are all showing a low voltage code points to a short to ground issue with the wire. This means that there is a wire that is touching a piece of metal and it is throwing these sensors off causing the engine to run poorly.

Let's run through this testing and let me know what you find. Thanks
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Wednesday, September 23rd, 2020 AT 3:44 PM

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