VW Code 03438
03438 Description And Summary : |
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The problem is about fuel pressure regulator 2 control circuit low mechanic will need to check all electrical connections in the camshaft sensor outside temperature sensor 2 (g249), short to ground or change cylinder 9 above knock threshold is the final reason of the code. |
03438 Possible Causes:
03438 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Ignition/Distributor Engine Speed Input Circuit Malfunction
- Cold Start Injector 1 Malfunction
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 03438 Code
- Inspect all the connections ignition coil 'f' secondary circuit, malfunction
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns