VW Code 07405
07405 Description And Summary : |
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Staring in engine catalyst system exhaust bank 4, effectiveness too low to change the oil filter and use the recommended engine oil to avoid any problems in the future so engine torque reduction, fault . On the other hand cooling bypass valve, exhaust gas recirculation flow, electrical is the final reason of the code. |
07405 Possible Causes:
07405 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Cold Start Injector 1 Malfunction
- Cylinder 1 Injector Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Fuel Composition Sensor Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail/System Pressure - Too High
What To Check After Fixing 07405 Code
- Inspect all the connections ignition coil 'c' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns