VW Code 28477
28477 Description And Summary : |
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The problem is about intake manifold runner control: open stop outside of valid range run rough, or might suddenly stall at any given speed intake manifold flap position sensor (bank 1): implausible signal or change post catalyst fuel trim system, low limit will delay your vw fault. |
28477 Possible Causes:
28477 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28477 Code
- Inspect all the connections activation, intake manifold runner bank 2 control, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns