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Codes P0135 and PO498

Tiny
KENDALL1031
  • MEMBER
  • 2014 HONDA CIVIC
  • 1.8L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
02/evap.
Saturday, March 5th, 2022 AT 12:40 PM

4 Replies

Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
Hello,

The codes:
P0135 : A/F Sensor (Sensor 1) Heater Circuit Malfunction
P0498 : EVAP Canister Vent Shut Valve Circuit Low Voltage

While either of these codes could be due to faulty components like oxygen sensor or the vent valve. It could be due to fault within the circuit, like a bad ground or shorted out wire.

I have attached the step-by-step trouble shooting guide for these codes below. Follow those steps as it can help you determine the issue.

Please let me know if you have any questions.
Thank you.
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Saturday, March 5th, 2022 AT 8:34 PM
Tiny
KENDALL1031
  • MEMBER
  • 3 POSTS
Thank you for info. The car was in front end accident body shop could not figure out issues with codes after body work. Ended up being a wire from the o2 sensor was damaged and grounding against metal intermittently. Had to replace sensor as well since it must have also affected sensor heating up within spec.
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Sunday, March 6th, 2022 AT 11:50 AM
Tiny
KENDALL1031
  • MEMBER
  • 3 POSTS
Your info greatly helped me tracking down the issue and resolving it. Thanks again.
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Sunday, March 6th, 2022 AT 11:50 AM
Tiny
SQM
  • MECHANIC
  • 6,383 POSTS
You are welcome!
Glad you got it fixed.
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Sunday, March 6th, 2022 AT 8:15 PM

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