Possible causes – Faulty Heated Oxygen Sensor– Heated Oxygen Sensor harness is open or shorted– Heated Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1031 MERCEDES-BENZ OBD Code Description Heated Oxygen Sensor (HO2S)
Tag: MERCEDES-BENZ
P0105 MERCEDES-BENZ Manifold Absolute Pressure/Barometric Pressure Circuit Malfunction
Possible causes – Faulty Manifold Absolute Pressure sensor– Manifold Absolute Pressure harness is open or shorted– Manifold Absolute Pressure sensor circuit poor electrical connection– Faulty Engine Control Module (ECM) When is the obd code mean? An excessively low or high voltage from the sensor is sent to ECM. Symptoms – Engine Light ON (or Service…
P0100 MERCEDES-BENZ Mass Air Flow Sensor
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0101 MERCEDES-BENZ Mass or Volume Air Flow Circuit Range/Performance Problem
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0103 MERCEDES-BENZ Mass or Volume Air Flow Circuit High Input
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0102 MERCEDES-BENZ Mass or Volume Air Flow Circuit Low Input
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0104 MERCEDES-BENZ Mass or Volume Air Flow Circuit Intermittent
Possible causes – Faulty mass air flow sensor– Intake air leaks– Dirty mass air flow sensor– Dirty mass air filter– Mass air flow sensor harness is open or shorted– Mass air flow sensor circuit poor electrical connection Tech description Before replacing the mass air flow sensor, try replacing the air filter and cleaning the air…
P0025 MERCEDES-BENZ Camshaft Position B Timing Over-Retarded Bank 2
Possible causes – Faulty camshaft position sensor– Camshaft actuator circuit open or shorted – Camshaft actuator circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)– Lack/Loss of power– Engine rough idle
P0470 MERCEDES-BENZ Exhaust Pressure Sensor Malfunction
Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection When is the obd code mean? An Exhaust Back Pressure (EBP) signal that is detected out of range (high or low) by the Engine Control Module (ECM) will cause the…
P0471 MERCEDES-BENZ Exhaust Pressure Sensor Range/Performance
Possible causes – Faulty Exhaust Back Pressure Sensor– Exhaust Back Pressure Sensor harness is open or shorted– Exhaust Back Pressure Sensor circuit poor electrical connection When is the obd code mean? An Exhaust Back Pressure (EBP) signal that is detected out of range (high or low) by the Engine Control Module (ECM) will cause the…