Mitsubishi Pick-ups and Montero 1983-1995 Repair Guide

Idle Speed Adjustment

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See Figure 1

  1. The idle must be set with the engine fully warmed up, the lights and all electrical accessories off, the transmission in NEUTRAL and the parking brake applied.
  2.  
  3. Run the engine for more than 5 seconds at a speed between 2000 and 3000 rpm.
  4.  
  5. Allow the engine to idle for at least 2 minutes.
  6.  
  7. Using a diesel tachometer, check the idle speed. Correct speed is 700-800 rpm.
  8.  



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Fig. Fig. 1: Adjusting the idle speed-2.3L diesel engines

  1. Adjust the speed to specification as necessary using the idle speed adjusting screw. Loosen the locknut and turn the screw to attain correct idle. Retighten the locknut.
  2.  


WARNING
Do not adjust any other screws in the area.

 
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