Quote:
Originally Posted by Xproplayer
So I'm looking at 2015 brz limited auto with 69k miles, and its at a chevy dealership. They said the car had a CEL and needed an O2 sensor which they replaced, but the CEL either came back or didn't go away, so they are sending it to a subaru dealer. Should I be worried at this point that the car could have bigger issues, or just assume they dont know how to work on this type of car and are smart for sending it to the "experts"
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Is it possible the car has a catless header installed? The prior owner might have reflashed the stock tune before selling. In that case, replacing the O2 sensor wouldn't fix the CEL. The only fixes would be either getting a tune or installing a stock header.
Just a thought.