O2 sensor error codes/software update

dropdead
Posts: 40
Joined: Thu Sep 17, 2015 4:22 pm
Location: Yekaterinburg, Russia

Re: O2 sensor error codes/software update

Post by dropdead »

KTuner wrote:Interesting. Keep me posted if the same thing occurs, though.
the cause of the problem was low compression in two cylinders; I guess that O2 sensor was just flooded with unburned fuel. after rebuilding the engine the sensor works fine.
KTuner
Site Admin
Posts: 3745
Joined: Mon Jul 22, 2013 8:13 pm

Re: O2 sensor error codes/software update

Post by KTuner »

Oh no :/

That is never good to discover. Glad you're back up and running well though.
husseinholland
Posts: 122
Joined: Wed Sep 12, 2018 2:44 am

Re: O2 sensor error codes/software update

Post by husseinholland »

Just tacking on to this - I just got done installing a PLM Ram header (modified to fit the chassis), and now I have P1172 & P2A00 error codes - modding the exhaust is the only change. O2 sensor was new genuine Denso 234-9066 (TSX version, I need the longer harness) 1K miles prior to this current work.

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