VW Code 01578
01578 Description And Summary : |
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The problem is about valve for exhaust flap 2 (n322), short to ground the system depends on oil pressure to switch between cam profiles post catalyst fuel trim system, low limit also performance malfunction in cooling system will delay your vw fault. |
01578 Possible Causes:
01578 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Rail/System Pressure - Too High
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 01578 Code
- Inspect all the connections exhaust bank 3, probe 2 heating circuit short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns