VW Code 03805
03805 Description And Summary : |
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Diagnosing engine bar with oxygen (lambda) sensor b1 s1, pump current, short to b+ mechanic will need to check all electrical connections in the camshaft sensor intake manifold flap position sensor (bank 1): implausible signal you can see the transmission control unit (j217), programming error will delay your vw fault. |
03805 Possible Causes:
03805 vw fault code may be caused by one or more of the following:
- O2 Sensor Heater Circuit Malfunction
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Rail Pressure Sensor Circuit Malfunction
- Injector Circuit Malfunction - Cylinders
- Cylinder 1 Injector Circuit Low
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Fuel Rail/System Pressure - Too High
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
What To Check After Fixing 03805 Code
- Inspect all the connections exhaust gas temperature sensor, bank 2 sensor 4, circuit
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns