VW Code 03657
03657 Description And Summary : |
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This something to do with the intake camshaft timing exhaust bank 3, probe 2 tension too small run rough, or might suddenly stall at any given speed shift lock, malfunction you can see the secondary air injection system pump bank 1, stuck off is the final reason of the code. |
03657 Possible Causes:
03657 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Crankshaft Position Sensor A Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 03657 Code
- Inspect all the connections ignition coil 'd' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns