Engine light is on, error code p0135 and p0141.

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Sep 11, 2019 | 08:53 PM

Arturo Azcue

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2005 CR-v EX 5 speed. Engine light is on, error code p0135 and p0141.

The car is a 2005 CR-V EX 5 speed. I tried to look it up but I'm not sure which O2 sensor needs to be replaced, with both codes do I need to replace both, or just one? Any help would be great. Thanks

Last edited by Arturo Azcue; Sep 13, 2019 at 07:53 PM. Reason: Adding model of car.

Sep 12, 2019 | 07:09 AM

canister

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Re: Engine light is on, error code p0135 and p0141.

heated O2 is downsteam
upstream is A/F

Sep 12, 2019 | 07:37 AM

RyanTM3

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Re: Engine light is on, error code p0135 and p0141.

Upstream is also heated..... Did both codes appear at exactly the same time?

Sep 12, 2019 | 08:12 AM

tech8

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Re: Engine light is on, error code p0135 and p0141.

What year and model vehicle?

Sep 13, 2019 | 07:49 PM

Arturo Azcue

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Re: Engine light is on, error code p0135 and p0141.

Quote:

Originally Posted by RyanTM3

Upstream is also heated..... Did both codes appear at exactly the same time?

I believe so, it was on for a couple of day before I was able to check the codes.

Sep 13, 2019 | 07:51 PM

Arturo Azcue

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Re: Engine light is on, error code p0135 and p0141.

@tech8 it's a 2005 CR-V EX

Sep 16, 2019 | 09:08 AM

canister

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Re: Engine light is on, error code p0135 and p0141.

I would test the O2 sensor first, then if it is indeed a toast, replace it and re-visit. AF from my experience goes way after the O2.

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