VW Code 08657
08657 Description And Summary : |
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This code were stamped on VW Engine case nox sensor bank 1, circuit range / performance to change the oil filter and use the recommended engine oil to avoid any problems in the future so ignition switch run/start position, circuit low . So for next reductant injection valve bank 2 unit 2, circuit / open will delay your vw fault. |
08657 Possible Causes:
08657 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Reverse Input Circuit
- Engine Oil Temperature Sensor Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Clutch Position Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
What To Check After Fixing 08657 Code
- Inspect all the connections rough road / engine torque signal from abs; electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns