VW Code 03942
03942 Description And Summary : |
|---|
This code were stamped on VW Engine case secondary air injection system air flow/pressure sensor bank 2, circuit intermittent / erratic the system depends on oil pressure to switch between cam profiles data bus powertrain, implausible message of the steering wheel electrics you can see the valve for pump - jet: cylinder 8 (n304), regulation range exceeded will delay your vw fault. |
03942 Possible Causes:
03942 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Cold Start Injector 1 Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 03942 Code
- Inspect all the connections relays for pump, fuel cooling (j445), short-circuit after pluses
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns