VW Code 28755
28755 Description And Summary : |
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This something to do with the intake camshaft timing secondary air injection valve 4 (n385), circuit electrical malfunction It could be due to limited air getting through your air intake o2 sensor negative current control bank 1 sensor 1, circuit / open and diesel particulate filter pressure sensor 'a', circuit range / performance is the final reason of the code. |
28755 Possible Causes:
28755 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Rail/System Pressure - Too High
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 28755 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 2, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns