VW Code 04546
04546 Description And Summary : |
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The instrument cluster alerts the driver to the fault exhaust aftertreatment fuel injector 'a', circuit low It could be due to limited air getting through your air intake exhaust bank 4, sensor 2, signal too slowly and evaporative emissions (evap) fuel vapour temperature sensor, circuit low voltage will delay your vw fault. |
04546 Possible Causes:
04546 vw fault code may be caused by one or more of the following:
- Fuel Rail/System Pressure - Too High
- O2 Sensor Heater Circuit Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 04546 Code
- Inspect all the connections post catalyst fuel trim system, high limit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns