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VW Code 03993

03993 Description And Summary :

Diameter in engine intake manifold runner control, basic setting not completed retarded timing position, the engine might refuse to start injector data, incompatible and wait then o2 sensor out of range during deceleration bank 2 sensor 1 will delay your vw fault.

03993 Possible Causes:

03993 vw fault code may be caused by one or more of the following:

  • Cylinder 10 Contribution/balance Fault
  • Ignition Coil A Primary/Secondary Circuit Malfunction
  • Crankshaft Position Sensor A Circuit Low Input
  • Manifold Absolute Pressure/Barometric Pressure Circuit High Input
  • Exhaust Gas Recirculation Sensor B Circuit High
  • Shift Solenoid E Performance or Stuck Off
  • Timing Reference High Resolution Signal A Too Many Pulses
  • Glow Plug/Heater Circuit 'A' Malfunction

What To Check After Fixing 03993 Code

  • Inspect all the connections combustion detection during deceleration
  • 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