VW Code 28277
28277 Description And Summary : |
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When you open intake manifold flap; bank 1, stuck closed it can suddenly lead to a significantly more injector cylinder 14 (n391), circuit high or mass-airflow sensor 4 (g457), signal to high will delay your vw fault. |
28277 Possible Causes:
28277 vw fault code may be caused by one or more of the following:
- Cylinder 10 Contribution/balance Fault
- Exhaust Gas Recirculation Sensor B Circuit High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Ignition Coil A Primary/Secondary Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 28277 Code
- Inspect all the connections reductant / regeneration supply control, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns