Engine Compression - 4-Cylinder

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

COMPRESSION SPECIFICATIONS - 4-CYLINDER

Application

Specification

Compression Ratio

1.8L PFI

9.0:1

2.0L PFI

9.0:1

2.0L Turbo

7.8:1

2.2L TBI

9.5:1

2.2L Turbo

8.1:1

2.5L TBI

8.9:1

2.5L Turbo

7.8:1

Minimum Compression Pressure

1.8L

⁽¹⁾ 131 psi (9.2 kg/cm² )

2.0L

⁽¹⁾ 137 psi (9.6 kg/cm² )

2.0L Turbo

⁽¹⁾ 114 psi (8.1 kg/cm² )

All 2.2L & 2.5L

⁽²⁾ 100 psi (7.0 kg/cm² )

⁽¹⁾	Maximum difference between each cylinder should not exceed 14 psi (.98 kg/cm² ).

⁽²⁾	Maximum difference between each cylinder should not exceed 25 percent.