VW Code 03977
03977 Description And Summary : |
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This code were stamped on VW Engine case throttle actuator control motor current, range / performance retarded timing position, the engine might refuse to start throttle/pedal position sensor / switch 'd', circuit . On the other hand throttle/pedal position sensor 'b', maximum stop performance will delay your vw fault. |
03977 Possible Causes:
03977 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Oil Temperature Sensor Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 03977 Code
- Inspect all the connections fuel mixture control adjustment range 1, lower limit not reached
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns