VW Code 07021
07021 Description And Summary : |
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Accumulated in electronic control units so control module 2 for cooling fan, short circuit mechanic will need to check all electrical connections in the camshaft sensor controller for radiator exhaust oh run (j138), short-circuit after pluses or change exhaust bank 4 sensor 1 oxygen sensor signal, implausibly lean will delay your vw fault. |
07021 Possible Causes:
07021 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Cylinder 1 Injector Circuit Low
- Reverse Input Circuit
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 07021 Code
- Inspect all the connections control module defect
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns