Oxygen sensor replaced but the

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Oxygen sensor replaced but the

My Toyota Passo 2010 facing an issue of a p0171 faulty oxygen sensor for the last ¾ month. I have already changed the 2 oxygen sensors with new ones but the average mileage of the Passo decreased from 16.5 to 13. I saw a change in the PCV value. There is a reduction in the oil grade from 10w 30 to 0w 20. I changed the air filter but the fuel filter was facing a problem. I replaced the fuel filter with kabli and now my car is providing an average of 17.4 while driving on GT road.

Sajid Khan asked on 02 Dec 2022 11:48:06 am

1 Answer