FixVault

Engine Compression

Check engine compression at specified cranking speed, with engine at normal operating temperature, all spark plugs removed and throttle wide open.

ENGINE COMPRESSION (1)

Model Standard psi (kg/cm2 ) Minimum psi (kg/cm2 ) Minimum RPM
Accord & Prelude 178 (12.5) 135 (9.5) 250
Civic & Civic Del Sol 185 (13.0) 135 (9.5) 250
(1) Maximum variation between cylinders is 28 psi (2.0 kg/cm2 ).