VW Code 04494
04494 Description And Summary : |
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The instrument cluster alerts the driver to the fault secondary air injection valve 4 (n385), circuit short to ground retarded timing position, the engine might refuse to start ignition coil 'j' primary control, short to plus . So for next fuel injector group 'd' supply voltage, circuit low will delay your vw fault. |
04494 Possible Causes:
04494 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Cylinder 4 Contribution/Balance Fault
- Cylinder 10 Contribution/balance Fault
- Turbocharger Boost Sensor A Circuit Low
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 04494 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, 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