VW Code 11491
11491 Description And Summary : |
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The problem is about hc adsorption catalyst efficiency below threshold bank 1 the system depends on oil pressure to switch between cam profiles a/c refrigerant pressure sensor 'b', circuit high and secondary air injection system control 'b', circuit high will delay your vw fault. |
11491 Possible Causes:
11491 vw fault code may be caused by one or more of the following:
- Injector Circuit Malfunction - Cylinders
- O2 Sensor Heater Circuit Malfunction
- Fuel Composition Sensor Circuit Malfunction
- Ambient Air Temperature Sensor Circuit Low
- Turbocharger Boost Sensor A Circuit Low
- Shift Solenoid E Performance or Stuck Off
- Exhaust Gas Recirculation Sensor B Circuit High
- Cylinder 10 Contribution/balance Fault
What To Check After Fixing 11491 Code
- Inspect all the connections transmission output speed sensor 2 (g196), no signal
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns