VW Code 18846
18846 Description And Summary : |
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This code were stamped on VW Engine case linear oxygen sensor exhaust bank 4 / reference voltage, short to ground it can suddenly lead to a significantly more oxygen sensor b1 s1: heating circuit regulation at upper limit, upper limit exceeded also pressure control solenoid 3 (n217), short to b+ will delay your vw fault. |
18846 Possible Causes:
18846 vw fault code may be caused by one or more of the following:
- Engine Oil Temperature Sensor Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
What To Check After Fixing 18846 Code
- Inspect all the connections o2 sensor signal bank 2 sensor 2, biased / stuck lean
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns