p0498 and p0135 fault codes

2008 HONDA CRV
79,000 MILES • 2.4L • 4 CYL • 4WD • AUTOMATIC
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SAMSON EKE
  • MEMBER
  • 1 POST
i have replaced both PCM valve and oxygen sensor, but the code won't clear.
Oct 19, 2019 at 2:02 PM
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KASEKENNY
  • ASE Certified Mechanic
  • 18,907 POSTS
  • ASE Certified Mechanic
Hi,

When you say PCM valve, I suspect you mean PCV Valve?

I attached the diag for these codes. I don't think they are related but they could be so I would start with the the P0135. If that is fixed and it doesn't fix the other then move onto that one.

Let me know what you find and we can go from there.
Oct 20, 2019 at 6:05 PM
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