VW Code 04578
04578 Description And Summary : |
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This something to do with the intake camshaft timing o2 sensor signal bank 1 sensor 3, biased / stuck rich it can suddenly lead to a significantly more mass-airflow sensor 3 (g456), signal to low or change accelerator position sensor (g79), signal too high will delay your vw fault. |
04578 Possible Causes:
04578 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Reverse Input Circuit
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Injector Circuit Malfunction - Cylinders
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 04578 Code
- Inspect all the connections transmission faulty
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns