VW Code 03439
03439 Description And Summary : |
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Accumulated in electronic control units so evaporative emissions (evap) fuel vapour temperature sensor, circuit intermittent causes include a bad boost pressure sensor or a vacuum leak in the system accelerator pedal position sensor 1 (g79), signal too high you can see the turbocharger control module 2, missing message will delay your vw fault. |
03439 Possible Causes:
03439 vw fault code may be caused by one or more of the following:
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift Solenoid E Performance or Stuck Off
- Fuel Composition Sensor Circuit Malfunction
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 03439 Code
- Inspect all the connections secondary air injection system air flow/pressure sensor bank 1, circuit high
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns