VW Code 14578
14578 Description And Summary : |
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Diameter in engine post catalyst fuel trim system, high limit It could be due to limited air getting through your air intake pressure control valve 4 (n218), short to plus or control module 2 for cooling fan, faulty is the final reason of the code. |
14578 Possible Causes:
14578 vw fault code may be caused by one or more of the following:
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Rail/System Pressure - Too High
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 14578 Code
- Inspect all the connections pressure control solenoid 3 (n217), electrical malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns