VW Code 04452
04452 Description And Summary : |
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Accumulated in electronic control units so o2 sensor pumping current trim bank 1 sensor 1, circuit low causes include a bad boost pressure sensor or a vacuum leak in the system oxygen (lambda) sensor b2 s2, signal shorted to heater circuit also linear oxygen sensor exhaust bank 4, compensation wire pump current, open circuit is the final reason of the code. |
04452 Possible Causes:
04452 vw fault code may be caused by one or more of the following:
- Shift Solenoid E Performance or Stuck Off
- Turbocharger Boost Sensor A Circuit Low
- Crankshaft Position Sensor A Circuit Low Input
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
What To Check After Fixing 04452 Code
- Inspect all the connections cylinder 11 above knock threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns