Q: In my vehicle, the check engine light comes on and then goes off and it is now back on. I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a ...
That annoying "check engine" light more often than not probably means an oxygen sensor needs replacement, at least that's according to the CarMD.com Corp.'s second annual Vehicle Health Index of car ...
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You Might Need to Clean Your Catalytic Converter. Here's How
Problems with catalytic converters are one of the most common causes of check engine lights, but they’re extremely exp ...
IRVINE, Calif., April 24, 2019 /PRNewswire/ -- CarMD, a leading provider of automotive diagnostic data and business solutions, today released its 2019 CarMD® Vehicle Health Index™ report. This annual ...
I had a test done at local auto-parts store that showed a code of PO138. They told me this indicates a problem with the oxygen sensor. I replaced the oxygen sensor and the light never went out. I ...
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