VW Code 17766
17766 Description And Summary : |
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The problem is about reductant injection air pressure sensor 'a', circuit range / performance run rough, or might suddenly stall at any given speed injector control pressure sensor, circuit intermittent or change generator lamp/l-terminal, circuit low is the final reason of the code. |
17766 Possible Causes:
17766 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 17766 Code
- Inspect all the connections transmission mount valve 2 (n263), short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns