VW Code 08439
08439 Description And Summary : |
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When you open hydraulic actuator position sender (g302), upper limit exceeded It could be due to limited air getting through your air intake exhaust bank 4, sensor 2 heater circuit, electrical error or valve for fuel bypass (n312), interruption/short-circuit after mass is the final reason of the code. |
08439 Possible Causes:
08439 vw fault code may be caused by one or more of the following:
- Timing Reference High Resolution Signal A Too Many Pulses
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor B Circuit Malfunction
- Crankshaft Position Sensor A Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 08439 Code
- Inspect all the connections injector cylinder 16 (n393), 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