logo

VW Code 04749

04749 Description And Summary :

The instrument cluster alerts the driver to the fault causes include a bad boost pressure sensor or a vacuum leak in the system manifold absolute pressure / mass air flow - throttle position correlation at higher load you can see the low pressure fuel sensor sensor (g410), implausible signal is the final reason of the code.

04749 Possible Causes:

04749 vw fault code may be caused by one or more of the following:

  • Cylinder 1 Injector Circuit Low
  • Ignition/Distributor Engine Speed Input Circuit Malfunction
  • Cylinder 10 Contribution/balance Fault
  • Shift/Timing Solenoid Malfunction/ 3-2 Shift Solenoid Circuit Electrical
  • Reverse Input Circuit
  • Crankshaft Position Sensor A Circuit Malfunction
  • Fuel Composition Sensor Circuit Malfunction
  • Turbocharger Boost Sensor A Circuit Low

What To Check After Fixing 04749 Code

  • Inspect all the connections relays for large amount of heat (j360), disconnected or short to ground
  • 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