P1289 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2

P1289 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 2– Air fuel ratio (A/F) sensor 1 heater Bank 2– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1286 Audi Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2

P1286 Audi Air Fuel Ratio Sensor 1 Circuit High Voltage Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1287 Audi Fuel Injection Pump Controller Supply Voltage Low Condition

P1287 Audi Fuel Injection Pump Controller Supply Voltage Low Condition Possible causes – Fuel injection pump ground circuit open– Battery defective Symptoms – Engine Light ON (or Service Engine Soon Warning Light) Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi…

P1288 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2

P1288 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 2 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 2– Air fuel ratio (A/F) sensor 1 heater Bank 2– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1282 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1282 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1283 Audi Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2

P1283 Audi Air Fuel Ratio Sensor 1 Lean Shift Monitoring Bank 2 Possible causes – Faulty Air fuel ratio (A/F) sensor 1 Bank 2 – Faulty Air fuel ratio (A/F) sensor 1 heater Bank 2 – Fuel pressure– Faulty Fuel injector – Intake air leaks– Faulty Air Flow Meter Tech description If one or more…

P1284 Audi Air Fuel Ratio Sensor 1 Rich Shift Monitoring Bank 2

P1284 Audi Air Fuel Ratio Sensor 1 Rich Shift Monitoring Bank 2 Possible causes – Faulty Air fuel ratio (A/F) sensor 1 Bank 1 – Faulty Air fuel ratio (A/F) sensor 1 heater Bank 1 – Fuel pressure– Faulty Fuel injector – Faulty Air Flow Meter Tech description What about the obd code? The A/F…

P1285 Audi Cylinder head over temp sensed

P1285 Audi Cylinder head over temp sensed Possible causes Low engine coolant level. Base engine concerns. Engine cooling system concerns. CHT sensor concern. Tech description On some applications when this fault occurs the Engine Temperature warning indicator will illuminate and/or force the temperature gauge to the full H (hot) zone. The warning indicator can be…

P1278 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1

P1278 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 1– Air fuel ratio (A/F) sensor 1 heater Bank 1– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1279 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1

P1279 Audi Air Fuel Ratio Sensor 1 Circuit Slow Response Bank 1 Possible causes – Air fuel ratio (A/F) Harness or connectors is open or shorted– Air fuel ratio (A/F) sensor 1 Bank 1– Air fuel ratio (A/F) sensor 1 heater Bank 1– Fuel pressure– Fuel injector– Intake air leaks– Exhaust Gas leaks– PVC– Air…

P1280 Audi Accelerator Pedal Position (APP) Sensor 2 Circuit

P1280 Audi Accelerator Pedal Position (APP) Sensor 2 Circuit Technical Service Bulletins for P1280 Audi code Audi Vehicle:Audi A1,Audi A3,Audi A1,Audi A3,Audi A1,Audi A3,Audi A4,Audi A5,Audi Q3,Audi A5,Audi Q5,Audi A3,Audi A4,Audi A5,Audi TT,Audi Q3,Audi Q5,Audi S3,Audi TTS,Audi RS 3,Audi TT RS,Audi A7,Audi Q7,Audi A8,Audi A6,Audi S4,Audi S5,Audi Q5,Audi S6,Audi S8,Audi S5,Audi A8,Audi R8 V8,Audi RS…

P1281 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2

P1281 Audi Air Fuel Ratio Sensor 1 Circuit No Activity Detected Bank 2 Possible causes – Faulty air fuel ratio (A/F) sensor 1 heater Bank 2 – Air fuel ratio (A/F) harness is open or shorted– Air fuel ratio (A/F) circuit poor electrical connection What about the obd code? The A/F signal computed by ECM…

P1275 Audi Cylinder #5 High To Low Side Open

P1275 Audi Cylinder #5 High To Low Side Open Possible causes Fuel injector No. 5 output circuit short to voltage. Injector. NG Module. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1275 Audi Description Indicates a high voltage condition exists at the injector output of the NG module for cylinder No. 5…

P1276 Audi Cylinder #6 High To Low Side Open

P1276 Audi Cylinder #6 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 1.5V. Symptoms – Engine…

P1277 Audi Cylinder #7 High To Low Side Open

P1277 Audi Cylinder #7 High To Low Side Open Possible causes Fuel injector No. 7 output circuit short to voltage. Injector. NG Module. Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1277 Audi Description Indicates a high voltage condition exists at the injector output of the NG module for cylinder No. 7…

P1273 Audi Cylinder #3 High To Low Side Open

P1273 Audi Cylinder #3 High To Low Side Open Possible causes – Shorted injector circuit – Faulty fuel injector – Faulty fuel injector interface module Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1273 Audi Description A fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector…

P1274 Audi Cylinder #4 High To Low Side Open

P1274 Audi Cylinder #4 High To Low Side Open Possible causes Air fuel ratio (A/F) sensor 1 Air fuel ratio (A/F) sensor 1 heater Fuel pressure Fuel injector What about the obd code? The output voltage computed by ECM from the A/F sensor 1 (Bank 1) signal is shifted to the rich side for a…

P1271 Audi Cylinder #1 High To Low Side Open

P1271 Audi Cylinder #1 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 0V. Symptoms – Engine…

P1272 Audi Cylinder #2 High To Low Side Open

P1272 Audi Cylinder #2 High To Low Side Open Possible causes Harness or connectors (The A/F sensor 1 circuit is open or shorted.) Air fuel ratio (A/F) sensor 1 What about the obd code? The A/F signal computed by ECM from the A/F sensor 1 (Bank 1) signal is constantly approx. 5V. Symptoms – Engine…

P1267 Audi Cylinder #7 High To Low Side Short

P1267 Audi Cylinder #7 High To Low Side Short Possible causes – Fuel injector No. 7 output circuit open or short to ground. – Injector. – Faulty Engine Control Module (ECM) Symptoms – Engine Light ON (or Service Engine Soon Warning Light) P1267 Audi Description Indicates a low voltage condition exists at the injector output…