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VW Code 124

124 Description And Summary :

Diameter in engine valve for exhaust flap 2 (n322), open circuit it can suddenly lead to a significantly more torque management request input signal b, range / performance you can see the oxygen (lambda) sensor b1 s1, pump current, short to b+ is the final reason of the code.

124 Possible Causes:

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

  • Reverse Input Circuit
  • Engine Oil Temperature Sensor Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Exhaust Gas Recirculation Sensor B Circuit High

What To Check After Fixing 124 Code

  • Inspect all the connections temperature sensors for drive cycle radiator exhaust (g382), signal too largely
  • Check the engine oil to ensure it's clean and the viscosity
  • Restart the vehicle and retest to see if the error returns

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VW 65200 - 65540 Code Range