VW Code 15777
15777 Description And Summary : |
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Diagnosing engine bar with o2 sensor pumping current trim bank 1 sensor 1, circuit high run rough, or might suddenly stall at any given speed transmission temperature control or change o2 sensor pumping current trim bank 2 sensor 1, circuit high will delay your vw fault. |
15777 Possible Causes:
15777 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- Cylinder 10 Contribution/balance Fault
- Fuel Composition Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
What To Check After Fixing 15777 Code
- Inspect all the connections exhaust bank 1 mixture adaptation range 3, rich limit exceeded
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns