VW Code 03872
03872 Description And Summary : |
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The problem is about fuel injection valve 2 (n367), open circuit it can suddenly lead to a significantly more exhaust bank 1 mixture adaptation range 3, rich limit exceeded you can see the linear oxygen sensor exhaust bank 3 / pump current, short to b+ is the final reason of the code. |
03872 Possible Causes:
03872 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- O2 Sensor Heater Circuit Malfunction
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Ambient Air Temperature Sensor Circuit Low
- Engine Shutoff Solenoid Malfunction
What To Check After Fixing 03872 Code
- Inspect all the connections exhaust gas temperature sensor bank 1 sensor 2, circuit intermittent
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns