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Mitsubishi — Adjusting injection pressure

Adjustments · Fuel injection nozzle

From a Mitsubishi service manual — check it applies to your exact model before use.

Applies to: Mitsubishi S16R engine

Before you start

  • Never touch spray during testing.

Procedure

  1. Install nozzle on tester 41091-01500.
  2. Operate tester handle about 1 stroke per second.
  3. Observe pressure at which injection begins.
  4. Remove cap nut, loosen jam nut, turn adjusting screw.
  5. Tighten jam nut and cap nut, recheck pressure.

Tools required

  • Injection nozzle tester 41091-01500 Amazon
  • Screwdriver Amazon

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Injection pressure: 350 to 355 kgf/cm2 (4977 to 5048 psi) [34.3 to 34.8 MPa]

Full service-parts list: Mitsubishi S16R engine →

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.

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