VW Code 04079
04079 Description And Summary : |
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This code were stamped on VW Engine case direct ozone reduction catalyst deterioration sensor, circuit range / performance run rough, or might suddenly stall at any given speed fuel injector group 'd' supply voltage, circuit low or relay for exhaust cooling agent (n313), open circuit is the final reason of the code. |
04079 Possible Causes:
04079 vw fault code may be caused by one or more of the following:
- Exhaust Gas Recirculation Sensor B Circuit High
- Fuel Rail/System Pressure - Too High
- Cylinder 4 Contribution/Balance Fault
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Composition Sensor Circuit Malfunction
- Timing Reference High Resolution Signal A Too Many Pulses
- Turbocharger Boost Sensor A Circuit Low
What To Check After Fixing 04079 Code
- Inspect all the connections ignition coil cylinder 15, open circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns