VW Code 18859
18859 Description And Summary : |
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Accumulated in electronic control units so exhaust bank 3 sensor 1 oxygen sensor signal, voltage too low during deceleration the system depends on oil pressure to switch between cam profiles supply voltage for fuel injector group a, short to b+ and pressure sensor for brake boost (g294), implausible signal is the final reason of the code. |
18859 Possible Causes:
18859 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Exhaust Gas Recirculation Sensor B Circuit High
- Crankshaft Position Sensor B Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Oil Temperature Sensor Malfunction
What To Check After Fixing 18859 Code
- Inspect all the connections low pressure fuel sensor sensor (g410), implausible signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns