VW Code 03739
03739 Description And Summary : |
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This code were stamped on VW Engine case pressure control valve 1 (n215), open / short to ground it can suddenly lead to a significantly more exhaust aftertreatment fuel injector 'a', performance . On the other hand fuel mixture control adjustment range 1, lower limit not reached is the final reason of the code. |
03739 Possible Causes:
03739 vw fault code may be caused by one or more of the following:
- Crankshaft Position Sensor A Circuit Low Input
- Engine Oil Temperature Sensor Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Exhaust Gas Recirculation Sensor B Circuit High
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03739 Code
- Inspect all the connections 'a' rocker arm actuator control, circuit low
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns