VW Code 29458
29458 Description And Summary : |
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This code were stamped on VW Engine case o2 sensor pumping current trim bank 1 sensor 1, circuit low It could be due to limited air getting through your air intake throttle/pedal position sensor / switch 'f', circuit high . On the other hand evaporative emission system switching valve control, circuit high is the final reason of the code. |
29458 Possible Causes:
29458 vw fault code may be caused by one or more of the following:
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Timing Reference High Resolution Signal A Too Many Pulses
- Injector Circuit Malfunction - Cylinders
- Exhaust Gas Recirculation Sensor B Circuit High
- O2 Sensor Heater Circuit Malfunction
- Cylinder 4 Contribution/Balance Fault
What To Check After Fixing 29458 Code
- Inspect all the connections injector control pressure regulator, circuit / open
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns