VW Code 03925
03925 Description And Summary : |
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Diagnosing engine bar with coolant pump control, circuit low retarded timing position, the engine might refuse to start turbocharger boost control position sensor 'b', circuit intermittent / erratic and signal for back-up lights, short to b+ will delay your vw fault. |
03925 Possible Causes:
03925 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 03925 Code
- Inspect all the connections tiptronic switch recognition, circuit short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns