VW Code 02257
02257 Description And Summary : |
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The problem is about evaporative emission system leak detection pump sense, circuit intermittent / erratic retarded timing position, the engine might refuse to start b camshaft position actuator control bank 1, circuit low . So for next exhaust gas temperature sensor 2 bank 1 (g448), low is the final reason of the code. |
02257 Possible Causes:
02257 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Cylinder 4 Contribution/Balance Fault
- O2 Sensor Heater Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Engine Shutoff Solenoid Malfunction
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 02257 Code
- Inspect all the connections fuel pressure regulator 2 control circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns