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Home >> Infiniti >> 1997 >> J30 Base >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications 3.0 >> Mechanical Checks >> Engine Compression
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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 )
Standard 186 (13.1)
Minimum 142 (10.0)
Maximum Variation Between Cylinders 14 (1.0)
(1) Readings taken at cranking speed (300 RPM).