VW Code 01878
01878 Description And Summary : |
|---|
Diameter in engine nox sensor bank 2, circuit It could be due to limited air getting through your air intake park/neutral switch input circuit or change linear oxygen sensor exhaust bank 3 / reference voltage, short to ground is the final reason of the code. |
01878 Possible Causes:
01878 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Reverse Input Circuit
- Shift Solenoid E Performance or Stuck Off
- Crankshaft Position Sensor A Circuit Low Input
What To Check After Fixing 01878 Code
- Inspect all the connections data-bus powertrain, implausible message from transmission controller
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns