VW Code 03731
03731 Description And Summary : |
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The instrument cluster alerts the driver to the fault system too rich at higher load, bank 2 mechanic will need to check all electrical connections in the camshaft sensor kick-down switches (f8) implausible signal and engine coolant temperature sensor 2 (g83), circuit low will delay your vw fault. |
03731 Possible Causes:
03731 vw fault code may be caused by one or more of the following:
- Fuel Composition Sensor Circuit Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Engine Shutoff Solenoid Malfunction
- Crankshaft Position Sensor B Circuit Malfunction
- O2 Sensor Heater Circuit Malfunction
- Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
- Cold Start Injector 1 Malfunction
What To Check After Fixing 03731 Code
- Inspect all the connections data bus powertrain, missing message from diagnostic interface-control module
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns