VW Code 28993
28993 Description And Summary : |
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The problem is about exhaust bank 4, sensor 1, heater circuit achievement too small the system depends on oil pressure to switch between cam profiles fuel injection valve 1 (n366), open circuit you can see the valve for pump - jet: cylinder 8 (n304), regulation range exceeded is the final reason of the code. |
28993 Possible Causes:
28993 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- Shift Solenoid E Performance or Stuck Off
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Clutch Position Sensor Circuit Malfunction
What To Check After Fixing 28993 Code
- Inspect all the connections event data recorder request, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns