VW Code 11657
11657 Description And Summary : |
|---|
This code were stamped on VW Engine case fuel fired heater, disabled retarded timing position, the engine might refuse to start vacuum reservoir pressure sensor, circuit low . So for next intake manifold tuning valve (bank 1), stuck closed will delay your vw fault. |
11657 Possible Causes:
11657 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Reverse Input Circuit
- Ambient Air Temperature Sensor Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 11657 Code
- Inspect all the connections ignition switch run position, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns