VW Code 28456
28456 Description And Summary : |
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The problem is about actuator supply voltage 'c', circuit high retarded timing position, the engine might refuse to start linear oxygen sensor exhaust bank 4 / pump current, open circuit or fuel injection valve 2 (n367), short to b+ is the final reason of the code. |
28456 Possible Causes:
28456 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
What To Check After Fixing 28456 Code
- Inspect all the connections low pressure fuel system sensor (g410), 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