Faulty o2 sensor under 30000 miles

[D-VO]

Hey guys. I haven't seen anyone else post about an o2 sensor issue and thought it was strange that this happened: Car has only got 28000 miles on it all stock aside from a Titan Protune and I usually stay in the torque band from 3k ->5k. I noticed the power started lagging lately and figured it just needed some maintenance. Changed the spark plugs and the air filter but the lag problem started getting worse. It took about 3 weeks of the power lagging after a 45 minute drive for the SES light to pop up.

Heading to Toyota tomorrow for a new O2 sensor. Has anyone else experienced this?

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[D-VO]

Dropped the car off at the dealer to have them take a look. Dealer said nothing is wrong, said they don't even see the code that's right there in front of my face.

 

[D-VO]

It turned out that the Turbo seals were bad and leaking onto the 02 center, causing the code.

 

[6SPDA91]

It turned out that the Turbo seals were bad and leaking onto the 02 center, causing the code.

Hopefully they warranty that. I'm sure they will try to blame your tune for it.

 

[D-VO]

Hopefully they warranty that. I'm sure they will try to blame your tune for it.

They warrantied for me since there was no reflash of the engine Control unit.

 

[Sub-MkV]

They warrantied for me since there was no reflash of the engine Control unit.

That sounds good to hear that they didn't notice the piggyback

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