VW Code 07021
07021 Description And Summary : |
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Diagnosing engine bar with angle sensors 1 signal implausible for butterfly valve drive 2 (g297) to change the oil filter and use the recommended engine oil to avoid any problems in the future so exhaust bank 3, probe 1 heating circuit interruption you can see the secondary air injection pump-d-relay (j705), circuit short to b+ is the final reason of the code. |
07021 Possible Causes:
07021 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 07021 Code
- Inspect all the connections pressure control solenoid 5 (n233) short to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns