VW Code 03906
03906 Description And Summary : |
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This something to do with the intake camshaft timing oxygen (lambda) sensor b1 s1, heater return coupling causes include a bad boost pressure sensor or a vacuum leak in the system reductant injection valve bank 1 unit 1, circuit / open . On the other hand valve for pump - jet: cylinder 8 (n304), range / performance will delay your vw fault. |
03906 Possible Causes:
03906 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Timing Reference High Resolution Signal A Too Many Pulses
What To Check After Fixing 03906 Code
- Inspect all the connections please check dtc memory of brake system ecu
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns