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Electronic Throttle Unit

The electronic throttle unit opens and closes the throttle blade based on input from various engine control sensors, including the accelerator pedal.

Symptoms of Wear or Failure

  • Illumination of the Check Engine Light
  • Lack of power
  • Stalling
  • Rough idle

Related Repair Advice

  • The throttle position sensor can be at the accelerator pedal or mounted remotely and cable operated
  • The electronic throttle unit also controls the idle and cruise control operation
  • These systems have a "limp home mode" that will allow the vehicle to be operated at low speed when a fault is detected

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