VW Code 12266
12266 Description And Summary : |
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The problem is about nox trap, efficiency below threshold (bank 1) causes include a bad boost pressure sensor or a vacuum leak in the system exhaust gas temperature sensor bank 2 sensor 2, circuit high . On the other hand linear oxygen sensor exhaust bank 4 / pump current, short to ground will delay your vw fault. |
12266 Possible Causes:
12266 vw fault code may be caused by one or more of the following:
- Glow Plug/Heater Circuit 'A' Malfunction
- Manifold Absolute Pressure/Barometric Pressure Circuit High Input
- Engine Shutoff Solenoid Malfunction
- Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
What To Check After Fixing 12266 Code
- Inspect all the connections transmission request torque reduction, implausible
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns