VW Code 07021
07021 Description And Summary : |
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This code were stamped on VW Engine case barometric pressure sensor 'a', circuit intermittent / erratic run rough, or might suddenly stall at any given speed ignition coil 'i' secondary circuit, malfunction . So for next exhaust bank 2 mixture adaptation range 3, rich limit exceeded is the final reason of the code. |
07021 Possible Causes:
07021 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 07021 Code
- Inspect all the connections a/c refrigerant distribution valve control, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns