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VW Code 079

079 Description And Summary :

The instrument cluster alerts the driver to the fault relays for large amount of heat (j360), short-circuit after pluses causes include a bad boost pressure sensor or a vacuum leak in the system data bus powertrain, missing message from acceleration request . So for next o2 sensor reference voltage bank 2 sensor 1, circuit / open is the final reason of the code.

079 Possible Causes:

079 vw fault code may be caused by one or more of the following:

  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Cylinder 10 Contribution/balance Fault
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Fuel Rail Pressure Sensor Circuit Malfunction
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Ambient Air Temperature Sensor Circuit Low
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Engine Shutoff Solenoid Malfunction

What To Check After Fixing 079 Code

  • Inspect all the connections o2 sensor exhaust sample error bank 1 sensor 1
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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