Mitsubishi Pick-ups and Montero 1983-1995 Repair Guide

IDLE SPEED AND MIXTURE ADJUSTMENT

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On carbureted engines, idle speed is adjusted periodically to compensate for engine wear and to ensure smooth operation. Idle mixture adjustments are not required as a matter of routine, but only when major carburetor work is required.

Fuel injected engines employ an idle speed control which compensates for all normal variations in idle speed. This requires adjustment only if a major fuel system part is replaced. For further information, see Fuel System in this guide.

 
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