VW Code 28643
28643 Description And Summary : |
---|
The problem is about a/c request a, circuit It could be due to limited air getting through your air intake ignition switch accessory position, circuit you can see the exhaust bank 4 main catalyst, effectiveness too low is the final reason of the code. |
28643 Possible Causes:
28643 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Fuel Composition Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
What To Check After Fixing 28643 Code
- Inspect all the connections b camshaft position actuator control bank 2, 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