New answers tagged 2006
Which O2 sensor did they change out? You wrote he changed out B1/S1 which would be the one pre-cat or the first one (upstream) which actually adapts the fuel to running conditions. The one which should have been looked at is B1/S2, or the one which is downstream ... the second one which its only job is to check how the cat is doing (mainly to check to make ...
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