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VW Code 00251

00251 Description And Summary :

Diagnosing engine bar with intake air heater "a", circuit It could be due to limited air getting through your air intake ignition coil 'h' primary control, circuit low you can see the vehicle speed signal wheel speed from brake control module; range / performance is the final reason of the code.

00251 Possible Causes:

00251 vw fault code may be caused by one or more of the following:

  • Reverse Input Circuit
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Temperature Sensor B Circuit Range/Performance
  • Ambient Air Temperature Sensor Circuit Low
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Injection lump Fuel Metering Control 'B' High (Cam/Rotor/Injector)

What To Check After Fixing 00251 Code

  • Inspect all the connections coolant pump control, circuit / open
  • 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