Mitsubishi — Fuel system priming - fuel injection pump
Maintenance
From a Mitsubishi service manual — check it applies to your exact model before use.
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Before you start
- Wipe off fuel spilt from the vent holes with a cloth.
Procedure
- Loosen air vent plug on the injection pump by turning about 1.5 rotations.
- Operate the priming pump handle.
- Tighten air vent plug when fuel flows without bubbles.
- Lock priming pump by turning handle clockwise while pushing it down before tightening the last vent plug.
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.