FixVault

Engine Compression

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

COMPRESSION SPECIFICATIONS (1)

Application psi (kg/cm2 )
I30
Standard 186 (13.1)
Minimum 142 (10.0)
Maximum Variation Between Cylinders 14 (1.0)
Q45
Standard 185 (13.0)
Minimum 142 (10.0)
Maximum Variation Between Cylinders 14 (1.0)
(1) Readings taken at cranking speed (300 RPM).