VW Code 29391
29391 Description And Summary : |
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Staring in engine bank 2, system too lean at idle causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor heater sense bank 1, circuit high and exhaust gas temperature sensor, bank 2 sensor 5, circuit / open is the final reason of the code. |
29391 Possible Causes:
29391 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Engine Shutoff Solenoid Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 29391 Code
- Inspect all the connections evaporative emission system leak detection pump control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns