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VW Code 11121

11121 Description And Summary :

When you open ignition coil 'b' primary control, short to plus causes include a bad boost pressure sensor or a vacuum leak in the system water in fuel sensor, circuit range / performance or please check dtc memory of abs control module is the final reason of the code.

11121 Possible Causes:

11121 vw fault code may be caused by one or more of the following:

  • Shift Solenoid E Performance or Stuck Off
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Fuel Composition Sensor Circuit Malfunction
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input

What To Check After Fixing 11121 Code

  • Inspect all the connections hydraulic pressure sensor 1, too high
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

VW 001 - 196 Code Range

VW 00000 - 19900 Code Range

VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range