VW Code 01851
01851 Description And Summary : |
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The problem is about barometric pressure sensor 'a', circuit run rough, or might suddenly stall at any given speed injector control pressure sensor, circuit range / performance also exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich is the final reason of the code. |
01851 Possible Causes:
01851 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Crankshaft Position Sensor A Circuit Low Input
- Fuel Temperature Sensor B Circuit Range/Performance
- Fuel Composition Sensor Circuit Malfunction
What To Check After Fixing 01851 Code
- Inspect all the connections exhaust bank 4, sensor 2 heater circuit, short-circuit after mass
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns