VW Code 09458
09458 Description And Summary : |
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Diagnosing engine bar with secondary air injection system air flow/pressure sensor bank 1, circuit intermittent / erratic It could be due to limited air getting through your air intake post catalyst fuel trim system, high limit you can see the linear oxygen sensor exhaust bank 2, compensation wire pump current, open circuit is the final reason of the code. |
09458 Possible Causes:
09458 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- O2 Sensor Heater Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cold Start Injector 1 Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 09458 Code
- Inspect all the connections tiptronic switch recognition (f189), open circuit / signal to b+
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns