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)

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 Description Nitrogen

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 Description Nitrogen

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 Description Nitrogen

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 Description Nitrogen

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 Description Nitrogen

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 Description Nitrogen

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) P1038 AUDI Description Nitrogen

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) P1039 AUDI Description Nitrogen

Possible causes – Faulty O2 Sensor– High fuel pressure– Faulty Mass Air Flow (MAF) Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI

Possible causes – Faulty O2 Sensor– High fuel pressure– Faulty Mass Air Flow (MAF) Sensor– O2 Sensor harness is open or shorted– O2 Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light) AUDI

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) P1132 AUDI Description A Heated Exhaust Oxygen (HO2S) sensor indicating

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) P1133 AUDI Description A Heated Exhaust Oxygen (HO2S) sensor indicating

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 AUDI Description A Heated Exhaust Oxygen (HO2S) sensor indicating

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 AUDI Description A Heated Exhaust Oxygen (HO2S) sensor indicating

Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)

Possible causes – Faulty Oxygen Sensor– Oxygen Sensor harness is open or shorted– Oxygen Sensor circuit poor electrical connection Symptoms – Engine Light ON (or Service Engine Soon Warning Light)