P1074 AUDI Mass Air Flow Sensor 2 Signal Too Large

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)

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

P1033 AUDI 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 AUDI OBD Code Description Nitrogen oxides (NOx) sensor – signal too low

P1034 AUDI 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 AUDI OBD Code Description Nitrogen oxides (NOx) sensor – signal outside tolerance

P1035 AUDI 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 AUDI OBD Code Description Nitrogen oxides (NOx) sensor – range/performance problem

P1036 AUDI 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 AUDI OBD Code Description Nitrogen oxides (NOx) sensor – short to positive

P1037 AUDI Nitrogen Oxides Sensor Short To Ground

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) P1037 AUDI OBD Code Description Nitrogen oxides (NOx) sensor – short to ground

P1144 AUDI Mass Air Flow Sensor Open/Short To Ground

Possible causes – Faulty Mass Air Flow (MAF) Sensor– Vacuum leaks– Throttle system errors Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI Related P1144 code 2002 AUDI A4 Engine And Engine Cooling:engine 2002 AUDI S4 Engine And Engine Cooling:engine 2002 AUDI TT Engine And Engine Cooling:engine 2003 AUDI A4 Engine And…

P0100 AUDI Mass Air Flow or Volume Air Flow Sensor Circuit

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…