O2 sensor change

[Ldub]

Many times when you're getting O2 sensor codes, especially when combined with "lean during acceleration" codes...it's the intake gaskets...

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I did both of mine (upstream of the exhaust) a couple month ago. lost a lot of skin... I took the big cross member out and lowered it with a jack. That allowed me to get at the electrical connector (still difficult and painful but better). there was a plastic tab that held the wire in place against the frame. I was able to remove it which gave me more wiggle room. Couldn't get it back but I think that was fine. I got it all back together and still had the code