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Stepper motor
The stepper motor is useful when the engine does not reach a correct temperature.
The stepper motor works on the throttle valve opening/closing.
To remove and refit the stepper motor, refer to chapters
"Removing the airbox and throttle
body" and
"Refitting
the airbox and throttle
body".
Check for stepper motor correct operation with the diagnosis instrument DDS 2.
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