VW Code 18726
18726 Description And Summary : |
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Diagnosing engine bar with linear oxygen sensor exhaust bank 2 / reference voltage, implausible causes include a bad boost pressure sensor or a vacuum leak in the system relays for coolant additive pump (j496), open circuit or intake manifold tuning valve (bank 1), stuck open is the final reason of the code. |
18726 Possible Causes:
18726 vw fault code may be caused by one or more of the following:
- Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
- Engine Shutoff Solenoid Malfunction
- Turbocharger Boost Sensor A Circuit Low
- Cold Start Injector 1 Malfunction
- Glow Plug/Heater Circuit 'A' Malfunction
- Shift Solenoid E Performance or Stuck Off
- Cylinder 4 Contribution/Balance Fault
- Cylinder 1 Injector Circuit Low
What To Check After Fixing 18726 Code
- Inspect all the connections different wheel speed signals, range / performance
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns