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Home >> Saab >> 1997 >> 900 S, 2D Convertible, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

Check engine compression at normal operating temperature with all spark plugs removed. To prevent damage to catalytic converter, make tests quickly and only when necessary.

NOTE: Compression pressure not specified by manufacturer at time of publication.
COMPRESSION RATIO

Application Specification
2.0L 9.2:1
2.3L 10.5:1
2.5L 10.8:1
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