VW Code 28685
28685 Description And Summary : |
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When you open fuel mixture control adjustment range 2, lower limit not reached run rough, or might suddenly stall at any given speed transmission mount valve 1 (n262), short to plus . On the other hand boost pressure control valve (n249), mechanical malfunction will delay your vw fault. |
28685 Possible Causes:
28685 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Cold Start Injector 1 Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injector Circuit Malfunction - Cylinders
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 28685 Code
- Inspect all the connections data bus powertrain, incorrect signal from adr control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns