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Home >> Jeep >> 1990 >> Cherokee Laredo, 2D Utility, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> 4.0L 6-CYL - VIN [L] & 4.2L 6-CYL - VIN [T] >> Lubrication >> Normal Oil Pressure

Normal Oil Pressure

Normal oil pressure should be 37-75 psi (2.6-5.3 kg/cm2 ) maximum above 1600 RPM. Minimum oil pressure should be 13 psi (.9 kg/cm2 ) at 600 RPM.