VW Code 04542
04542 Description And Summary : |
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The problem is about particulate trap bank 1, efficiency below threshold It could be due to limited air getting through your air intake malfunction indication light (k83), open / short to ground and wait then ecm/pcm power relay sense, circuit range / performance will delay your vw fault. |
04542 Possible Causes:
04542 vw fault code may be caused by one or more of the following:
- Cold Start Injector 1 Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Ignition Coil A Primary/Secondary Circuit Malfunction
What To Check After Fixing 04542 Code
- Inspect all the connections power supply, voltage high voltage
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns