VW Code 03402
03402 Description And Summary : |
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Diagnosing engine bar with reductant temperature sensor, circuit high retarded timing position, the engine might refuse to start data bus powertrain, missing message from central electronics . So for next o2 sensor negative current control bank 1 sensor 1, circuit high will delay your vw fault. |
03402 Possible Causes:
03402 vw fault code may be caused by one or more of the following:
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 03402 Code
- Inspect all the connections low pressure fuel system sensor (g410), circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns