VW Code 03948
03948 Description And Summary : |
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Staring in engine air cleaner inlet control, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so coolant degassing valve, control circuit high also injector cylinder 15 (n392), circuit low will delay your vw fault. |
03948 Possible Causes:
03948 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Clutch Position Sensor Circuit Malfunction
- Cylinder 10 Contribution/balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Turbocharger Boost Sensor A Circuit Low
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 03948 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, 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