I have had a mis fire for 6 months I have tried everything.... I have had a lean code and a bank 1 02 sensor come up rough idle once you get over a certain rpm it's fine it runs ok some days and not so good on others weather induced maybe I took idle air valve when not connected it moves back and forth ...... I replaced cap rotor plugs wires and fixed exhaust leak I am stumped please help I have been looking for the specs on what my truck should be at when reading my scan too
My car has 160000 miles.
My car has an automatic transmission.
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