VW Code 08978
08978 Description And Summary : |
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Staring in engine data-bus powertrain, missing message from engine controller (ecu) It could be due to limited air getting through your air intake linear oxygen sensor exhaust bank 2 / pump current, short to b+ . So for next throttle/fuel inhibit, circuit low will delay your vw fault. |
08978 Possible Causes:
08978 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Cylinder 10 Contribution/balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 08978 Code
- Inspect all the connections 'b' rocker arm actuator system, stuck on
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns