Volvo Penta — Testing the compression pressure
Testing & diagnosis · Cylinder / injector
From a Volvo Penta service manual — check it applies to your exact model before use.
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Before you start
- Measure the compression pressure on all cylinders.
Procedure
- Remove the injector from the cylinder to be measured.
- Attach compression gauge adapter (A) and connect compression gauge (B).
- Crank the engine and read compression pressure with engine at specified speed.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Compression pressure 2.85 (28.5) [263] MPa (Bar) [psi] min
- Repair limit 2.30 (23.0) [185]
Source: Volvo Penta 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.