Mitsubishi — Testing compression pressure
Testing & diagnosis · Engine
From a Mitsubishi service manual — check it applies to your exact model before use.
Applies to: Mitsubishi S16R engine
Before you start
- Measure all cylinders.
Procedure
- Remove injection nozzle from cylinder.
- Attach adaptor 37591-02200.
- Connect compression gauge 33391-02100.
- Crank engine with fuel supply shut off.
- Read gauge when engine runs at specified speed.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Measure at 120 rpm
- Assembly standard: 18.5 kgf/cm2 (263 psi) [1.8 MPa]
- Repair limit: 13 kgf/cm2 (185 psi) [1.3 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.