VW Code 04006
04006 Description And Summary : |
|---|
The problem is about direct ozone reduction catalyst temperature sensor circuit run rough, or might suddenly stall at any given speed secondary air injection system switching valve bank 2, stuck open also reductant temperature sensor, circuit range / performance will delay your vw fault. |
04006 Possible Causes:
04006 vw fault code may be caused by one or more of the following:
- Cylinder 1 Injector Circuit Low
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 04006 Code
- Inspect all the connections exhaust aftertreatment fuel injector 'a', performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns