VW Code 08901
08901 Description And Summary : |
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Diameter in engine secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic the system depends on oil pressure to switch between cam profiles ignition switch accessory position, circuit low . On the other hand control module 2 for cooling fan, faulty is the final reason of the code. |
08901 Possible Causes:
08901 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Cold Start Injector 1 Malfunction
What To Check After Fixing 08901 Code
- Inspect all the connections secondary air injection valve 4 (n385), circuit open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns