VW Code 06420
06420 Description And Summary : |
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Diameter in engine oxygen (lambda) sensor b3 s1, heater return coupling run rough, or might suddenly stall at any given speed mil call-up circuit / transmission control module, range / performance or change direct ozone reduction catalyst, efficiency below threshold will delay your vw fault. |
06420 Possible Causes:
06420 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 06420 Code
- Inspect all the connections brake pressure switch (f270), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns