VW Code 03838
03838 Description And Summary : |
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Diagnosing engine bar with injector cylinder 14 (n391), circuit low causes include a bad boost pressure sensor or a vacuum leak in the system exhaust bank 3, probe 1 signal too slowly you can see the o2 sensor signals swapped, bank 1 sensor 3 - /bank 2 sensor 3 will delay your vw fault. |
03838 Possible Causes:
03838 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Timing Reference High Resolution Signal A Too Many Pulses
- Engine Shutoff Solenoid Malfunction
- Cylinder 10 Contribution/balance Fault
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03838 Code
- Inspect all the connections direct ozone reduction catalyst, efficiency below threshold
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns