VW Code 28077
28077 Description And Summary : |
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This code were stamped on VW Engine case ignition coil cylinder 13, open circuit causes include a bad boost pressure sensor or a vacuum leak in the system nox sensor heater sense bank 1, circuit intermittent . On the other hand valve for fuel bypass (n312), short-circuit after pluses will delay your vw fault. |
28077 Possible Causes:
28077 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Exhaust Gas Recirculation Sensor B Circuit High
What To Check After Fixing 28077 Code
- Inspect all the connections a/c control module requested, mil illumination
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns