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VW Code 124

124 Description And Summary :

The problem is about fuel mixture control adjustment range 2, higher limit not reached mechanic will need to check all electrical connections in the camshaft sensor exhaust bank 1 sensor 1 o2 sensor signal, implausibly rich also control module defective is the final reason of the code.

124 Possible Causes:

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

  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Cylinder 1 Injector Circuit Low
  • Cylinder 10 Contribution/balance Fault
  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)

What To Check After Fixing 124 Code

  • Inspect all the connections injector cylinder 15 (n392), circuit low
  • 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

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VW 28000 - 29900 Code Range

VW 65200 - 65540 Code Range