VW Code 15104
15104 Description And Summary : |
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Diameter in engine exhaust bank 4 main catalyst, effectiveness too low mechanic will need to check all electrical connections in the camshaft sensor fuel fired heater, performance and wait then cylinder 4 above knock threshold is the final reason of the code. |
15104 Possible Causes:
15104 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Crankshaft Position Sensor B Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 15104 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