Bad gas mileage???
Okay my o2 sensor just arrived today and i'll put it on when i get home from work tonight or tom morning. Is there anyway any of you can point me out to a 1.8t front o2 sensor diy? How hard is this anyway? Thanks
I don't know how hard it is to switch it but you should clear the O2 codes after you make the swap and drive for a few tens of miles in order for the ECU to learn the new, correct, values before your MPG will drop.
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