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Home >> Infiniti >> 1998 >> Q45 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Controls - Specifications 3.0) >> Mechanical Checks >> Engine Compression
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Engine Compression

WARNING: This page is about a different car, the 1997 Infiniti I30. However, it is still accessible from the selected car via links, so may be relevant.

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).