VW Code 04938
04938 Description And Summary : |
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Diameter in engine oxygen sensor bank 3 sensor 1, voltage too low to change the oil filter and use the recommended engine oil to avoid any problems in the future so throttle actuator control system, forced limited rpm also hydraulic pressure sensor 1, too low will delay your vw fault. |
04938 Possible Causes:
04938 vw fault code may be caused by one or more of the following:
- Fuel Temperature Sensor B Circuit Range/Performance
- Engine Shutoff Solenoid Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Exhaust Gas Recirculation Sensor B Circuit High
- Turbocharger Boost Sensor A Circuit Low
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 04938 Code
- Inspect all the connections friction too high, intake cam adjustment bank 1
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns