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P0137

Both codes refer to the oxygen sensor that is to the rear of the catalytic converter. With regard to Code P0037 (https://www.yourmechanic.com/article/p0037-obd-ii-trouble-code-ho2s-heater-control-circuit-low-bank-1-sensor-2-by-john-nelson), if the rear oxygen sensor is brand new, you should check the heater circuit ground (the oxygen sensor...

The P0137/P0157 codes indicate the "rear" (behind the catalytic converters) oxygen sensors are not functioning properly. In turn, they are signaling (incorrectly) for more fuel, which is causing the P0172/P0175 over-rich codes. This is clogging your converters, as well as...

Hi there. Check the Exhaust Gas Recirculation (https://www.yourmechanic.com/services/exhaust-gas-recirculation-egr-valve-replacement) valve on the engine. It seems to be sticking on when the engine is running at low idle and causing a misfire as the old exhaust that is burnt is reentering the...

This engine has had many technical bulletins for stalling or idling rough and most called for the engine control module (ECM) to be reprogrammed. I recommend having the engine scanned (https://www.yourmechanic.com/services/check-engine-light-is-on-inspection) to check for any codes, the engine checked for...