LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Saturn >> 1993 >> SC2 Standard >> Repair and Diagnosis >> Engine Performance >> Engine Controls - Specifications - 4-CYL >> Mechanical Checks >> Engine Compression
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Compression

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

COMPRESSION SPECIFICATIONS

Application Specification
Compression Ratio
1.9L
VIN 7 9.3:1
VIN 9 9.5:1
2.0L 9.2:1
2.2L 8.9:1
2.3L
VIN A 10.0:1
VIN D & 3 9.5:1
Normal Compression Pressure
Except 1.9L (1)
1.9L 185-205 psi (13-14.0 kg/cm2 )
Minimum Compression Pressure
Except 1.9L (1)
1.9L 180 psi (12.7 kg/cm2 )
(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 (7 kg/cm2 ).
scientia non olet · About LEMON Manuals