VW Code 01604
01604 Description And Summary : |
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The instrument cluster alerts the driver to the fault charging system, voltage it can suddenly lead to a significantly more cylinder 7 above knock threshold . On the other hand throttle/fuel inhibit, circuit range / performance will delay your vw fault. |
01604 Possible Causes:
01604 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
What To Check After Fixing 01604 Code
- Inspect all the connections o2 sensor negative current control bank 1 sensor 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns