VW Code 03928
03928 Description And Summary : |
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This code were stamped on VW Engine case coolant fan control module 2, malfunction retarded timing position, the engine might refuse to start secondary air injection valve 4 (n385), circuit open circuit and wait then catalyst system exhaust bank 3, effectiveness too low will delay your vw fault. |
03928 Possible Causes:
03928 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Reverse Input Circuit
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 03928 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 5, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns