Chevy avoe 2009 poo36-p0054-p0137-po138 po140 po141-po446-po6o6

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anonymous · Answer 1 · 2018-10-27T01:45:27+0000

CHECK ENGINE SHOW CODE P0420 REPLACE UP STREAM SENSOR 4 DAYS AGO, NOW CHECK ENGINE COME ON AGAIN LATER , COULD MY PROBLEM BE THE DOWN STREAM SENSOR ?