VW Code 28485
28485 Description And Summary : |
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The problem is about secondary air injection system air flow/pressure sensor bank 2, circuit range / performance run rough, or might suddenly stall at any given speed throttle position output, circuit low . On the other hand evaporative emission system switching valve control, circuit high is the final reason of the code. |
28485 Possible Causes:
28485 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Clutch Position Sensor Circuit Malfunction
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28485 Code
- Inspect all the connections exhaust bank 4 sensor 1 heater circuit, voltage too low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns