Tag: VOLKSWAGEN

P1134 VOLKSWAGEN HO2S Heater Circuit- Bank 1 & 2 Sensor 2 Short To B+

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…

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…

P1032 VOLKSWAGEN Nitrogen Oxides Sensor Signal Too High

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) P1032 VOLKSWAGEN OBD Code Description Nitrogen oxides (NOx) sensor – signal too high

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