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Engine light on, codes PO496, PO171, PO131, PO15B and PO496

Tiny
TERRY GASTON
  • MEMBER
  • 2018 CHEVROLET TRAX
  • 1.4L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 80,700 MILES
I have replace the O2 sensor, the map airflow sensor, the air filter, the valve cover and the engine light is still on. The codes that is throwing are PO171, PO131, PO15B and PO496. I have even change the spark plugs and it is still going on. I am lost just need some answers. Thank you
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Friday, January 3rd, 2020 AT 1:08 PM

1 Reply

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

In the diagrams down below I have included the diagnostic troubleshooting guides for Direct Trouble Codes[DTC][s] P015B, P0131, P0171, P0496 from the vehicle manufacturer for your vehicle. Please go through the guides and get back to us with what you are able to find out.

Thanks,
Alex
2CarPros
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Friday, January 3rd, 2020 AT 2:14 PM

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