Cylinder Compression Pressure

WARNING: This page is about a different car, the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, and 2003 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.

Check engine mechanical condition with compression gauge, vacuum gauge, or engine analyzer. See engine analyzer manual for specific instructions. For compression specifications, see ENGINE COMPRESSION SPECIFICATIONS table. Install and tighten spark plugs to 13 ft. lbs. (18 N.m).

ENGINE COMPRESSION SPECIFICATIONS

Application

Specification - psi (kPa)

Normal Compression Pressure

215 (1482.4)

Minimum Compression Pressure

⁽¹⁾

Compression Variance

⁽²⁾

⁽¹⁾	Lowest compression reading should not be less than 70 percent of highest compression reading. No cylinder compression reading should be less than 100 psi (689.5 kPa).

⁽²⁾	Information is not available from manufacturer.