Possible causes – The EGR volume control valve circuit harness is open or shorted– EGR volume control valve leaking or stuck open– Faulty EGR temperature sensor Tech description Start by cleaning the EGR valve, if the code persist it may be necessary to replaced the EGR Valve Symptoms – Engine Light ON (or Service Engine…
Tag: MERCEDES-BENZ
P0466 MERCEDES-BENZ Purge Flow Sensor Circuit Range/Performance
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0467 MERCEDES-BENZ Purge Flow Sensor Circuit Low Input
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0468 MERCEDES-BENZ Purge Flow Sensor Circuit High Input
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P0469 MERCEDES-BENZ Purge Flow Sensor Circuit Intermittent
Symptoms – Engine Light ON (or Service Engine Soon Warning Light)
P1031 MERCEDES-BENZ Heated Oxygen Sensor Malfunction
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)
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…