VW Code 02978
02978 Description And Summary : |
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Diameter in engine exhaust bank 3, probe 2 signal too slowly it can suddenly lead to a significantly more please check dtc memory of abs control module or change control module defect is the final reason of the code. |
02978 Possible Causes:
02978 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor B Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Cylinder 1 Injector Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 02978 Code
- Inspect all the connections linear oxygen sensor exhaust bank 3 / pump current, 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