VW Code 04045
04045 Description And Summary : |
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The problem is about o2 sensor signal bank 1 sensor 1, biased / stuck lean It could be due to limited air getting through your air intake 'a' rocker arm actuator system, stuck on and reductant injection air pressure sensor 'a', circuit low is the final reason of the code. |
04045 Possible Causes:
04045 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 04045 Code
- Inspect all the connections nox sensor heater control 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