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VW Code 04648

04648 Description And Summary :

Diameter in engine fuel cap sensor / switch, circuit low it can suddenly lead to a significantly more intake manifold runner position sensor / switch, circuit intermittent bank 1 and wait then evaporative emission system leak detection pump sense, circuit intermittent / erratic is the final reason of the code.

04648 Possible Causes:

04648 vw fault code may be caused by one or more of the following:

  • Injection Pump Fuel Metering Control 'A' High (Cam/Rotor/Injector)
  • Cylinder 1 Injector Circuit Low
  • Injector Circuit Malfunction - Cylinders
  • Crankshaft Position Sensor B Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Cold Start Injector 1 Malfunction

What To Check After Fixing 04648 Code

  • Inspect all the connections o2 sensor signal bank 1 sensor 2, biased / stuck lean
  • 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