Mitsubishi S3L2 / S4L2 — Idle RPM setting
Adjustments · Governor
For the Mitsubishi S3L2 / S4L2, from the Mitsubishi service manual.
Applies to: Mitsubishi S3L2, Mitsubishi S4L2
Before you start
- Make sure valve clearance and injection timing are correct and injection nozzles have no defect.
Procedure
- Start and run engine at low idle until coolant temperature is above 60°C (140°F).
- Loosen lock nut for idling set bolt and turn set bolt to obtain specified low idle rpm; tighten lock nut.
- Loosen lock nut for high-idle set bolt and turn set bolt to obtain specified high idle rpm; tighten lock nut.
Full service-parts list: Mitsubishi S4L2 →
Source: Mitsubishi service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.