VW Code 28777
28777 Description And Summary : |
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Diameter in engine throttle/fuel inhibit, circuit range / performance run rough, or might suddenly stall at any given speed injector control pressure, too low - engine cranking you can see the secondary air injection valve 4 (n385), circuit electrical malfunction is the final reason of the code. |
28777 Possible Causes:
28777 vw fault code may be caused by one or more of the following:
- Clutch Position Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Turbocharger Boost Sensor A Circuit Low
- O2 Sensor Heater Circuit Malfunction
What To Check After Fixing 28777 Code
- Inspect all the connections exhaust gas temperature sensor, bank 1 sensor 5, 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