VW Code 03439
03439 Description And Summary : |
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Diameter in engine exhaust gas temperature sensor, bank 1 sensor 5, circuit intermittent / erratic retarded timing position, the engine might refuse to start ecm/pcm internal engine off timer, performance and wait then ignition switch accessory position, circuit high is the final reason of the code. |
03439 Possible Causes:
03439 vw fault code may be caused by one or more of the following:
- Fuel Rail Pressure Sensor Circuit Malfunction
- Reverse Input Circuit
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 03439 Code
- Inspect all the connections oxygen (lambda) sensor b1 s1, pump current, short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns