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VW Code 19121

19121 Description And Summary :

Diameter in engine 'b' rocker arm actuator control, circuit / open it can suddenly lead to a significantly more activation, intake manifold runner bank 2 control, range / performance . On the other hand mass-airflow sensor 4 (g457), signal to low will delay your vw fault.

19121 Possible Causes:

19121 vw fault code may be caused by one or more of the following:

  • Cold Start Injector 1 Malfunction
  • Crankshaft Position Sensor A Circuit Malfunction
  • Glow Plug/Heater Circuit 'A' Malfunction
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
  • Injector Circuit Malfunction - Cylinders

What To Check After Fixing 19121 Code

  • Inspect all the connections solenoid ev 7 (n94), electrical malfunction
  • 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