VW Code 13938
13938 Description And Summary : |
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The problem is about bank 1; system too lean at idle the system depends on oil pressure to switch between cam profiles change-over valve for intake manifold flap 2, high or exhaust bank 4 sensor 1, voltage too low or air leak will delay your vw fault. |
13938 Possible Causes:
13938 vw fault code may be caused by one or more of the following:
- Ambient Air Temperature Sensor Circuit Low
- Cold Start Injector 1 Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Cylinder 1 Injector Circuit Low
- Fuel Temperature Sensor B Circuit Range/Performance
- Injector Circuit Malfunction - Cylinders
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
What To Check After Fixing 13938 Code
- Inspect all the connections ignition coil 'a' primary 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