Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1134 VOLKSWAGEN OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an…
Tag: VOLKSWAGEN
P1135 VOLKSWAGEN HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Electrical Malfunction
Possible causes – Faulty O2 Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1135 VOLKSWAGEN OBD Code Description A Heated Exhaust Oxygen (HO2S) sensor indicating rich at the end of a test is trying to correct for an…
P1033 VOLKSWAGEN Nitrogen Oxides Sensor Signal Too Low
Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1033 VOLKSWAGEN OBD Code Description Nitrogen oxides (NOx) sensor – signal too low
P1034 VOLKSWAGEN Nitrogen Oxides Sensor Signal Outside Tolerance
Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1034 VOLKSWAGEN OBD Code Description Nitrogen oxides (NOx) sensor – signal outside tolerance
P1035 VOLKSWAGEN Nitrogen Oxides Sensor Range Performance Problem
Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1035 VOLKSWAGEN OBD Code Description Nitrogen oxides (NOx) sensor – range/performance problem
P1036 VOLKSWAGEN Nitrogen Oxides Sensor Short To Positive
Possible causes – Faulty nitrogen oxides (NOx) sensor– Nitrogen oxides (NOx) sensor harness is open or shorted– Nitrogen oxides (NOx) sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1036 VOLKSWAGEN OBD Code Description Nitrogen oxides (NOx) sensor – short to positive
P0101 VOLKSWAGEN 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 VOLKSWAGEN 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 VOLKSWAGEN 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…
P1073 VOLKSWAGEN Mass Air Flow Sensor 2 Signal Too Small
Possible causes – Faulty Mass Air Flow Sensor– Mass Air Flow Sensor harness is open or shorted– Mass Air Flow Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)