VW Code 12804
12804 Description And Summary : |
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Diagnosing engine bar with friction too high, exhaust cam adjustment bank 1 causes include a bad boost pressure sensor or a vacuum leak in the system bank 1, system too rich off idle or change load signal range / performance is the final reason of the code. |
12804 Possible Causes:
12804 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Clutch Position Sensor Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 12804 Code
- Inspect all the connections coolant fan control 1: open or short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns