VW Code 03430
03430 Description And Summary : |
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Diagnosing engine bar with exhaust gas temperature sensor bank 2 sensor 3, circuit high to change the oil filter and use the recommended engine oil to avoid any problems in the future so cannot activate controller reply function due to another error with equal priority or change exhaust gas temperature control circuit bank 3, out of range is the final reason of the code. |
03430 Possible Causes:
03430 vw fault code may be caused by one or more of the following:
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Ambient Air Temperature Sensor Circuit Low
- Fuel Rail/System Pressure - Too High
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 03430 Code
- Inspect all the connections oxygen (lambda) sensor b2 s1, signal shorted to heater circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns