VW Code 04449
04449 Description And Summary : |
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When you open valve for pump - jet: cylinder 9 (n305), range / performance it can suddenly lead to a significantly more o2 sensor out of range during deceleration bank 2 sensor 1 also ecm/pcm power input, signal intermittent will delay your vw fault. |
04449 Possible Causes:
04449 vw fault code may be caused by one or more of the following:
- Reverse Input Circuit
- Cold Start Injector 1 Malfunction
- Fuel Rail/System Pressure - Too High
- Crankshaft Position Sensor A Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 04449 Code
- Inspect all the connections nox sensor bank 2, 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