Chevy Equinox P0420 Code
P0138 code: o2 sensor circuit high voltage (bank 1, sensor 2) Oxygen heater o2 p0141 p0138 p0420 voltage catalyst malfunction downstream threshold carparts efficiency gasoline p0135 catalytic converter dtc P0420 chevy equinox issue and solutions to fix properly
P0138 Code: O2 Sensor Circuit High Voltage (Bank 1, Sensor 2) - In The
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