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Home >> Mazda >> 1997 >> 626 DX, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications - 2.0L >> Mechanical Checks >> Engine Compression

Engine Compression

Warm engine to normal operating temperature. Remove all spark plugs. Disconnect ignition coil primary wire connector. Hold throttle plate fully open. Crank engine and note compression pressure.

COMPRESSION RATIO

Application Specification
626 2.0L 9.0:1
COMPRESSION SPECIFICATIONS

Application Minimum psi (kg/cm2 ) @ RPM Standard psi (kg/cm2 ) @ RPM
626 119 (8.4) @ 300 171 (12.0) @ 300