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Home >> Nissan-Datsun >> 1998 >> Sentra Base >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Fuel System >> Idle Speed >> Idle Speed Control

Idle Speed Control

PCM controls engine idle speed according to engine operating conditions and component/model application. PCM will send a signal to adjust and compensate for idle speed under the following conditions: from starting to 20 seconds after start, low battery voltage, engine overheating, electrical load, A/C on, power steering load, during deceleration and when vehicle is moving at idle.

Idle speed control is achieved using various components. Models are equipped as follows:

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