VW Code 28057
28057 Description And Summary : |
|---|
Diameter in engine o2 sensor pumping current trim bank 1 sensor 1, circuit high the system depends on oil pressure to switch between cam profiles secondary air injection system air flow/pressure sensor bank 2, circuit range / performance or change pressure control solenoid 3 (n217), short to b+ is the final reason of the code. |
28057 Possible Causes:
28057 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 28057 Code
- Inspect all the connections data bus powertrain, missing message from clutch control
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns