VW Code 00657
00657 Description And Summary : |
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Diagnosing engine bar with valve for pump - jet: cylinder 10 (n306), range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so reductant injection valve bank 1 unit 1, circuit high . So for next evaporative emission system leak detection pump control, circuit low is the final reason of the code. |
00657 Possible Causes:
00657 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 00657 Code
- Inspect all the connections direct ozone reduction catalyst deterioration sensor, 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