VW Code 17777
17777 Description And Summary : |
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Staring in engine secondary air injection system air flow/pressure sensor bank 2, circuit range / performance it can suddenly lead to a significantly more o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3 or change transmission coolant circuit relay, intermittent will delay your vw fault. |
17777 Possible Causes:
17777 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
- O2 Sensor Heater Circuit Malfunction
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 17777 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