Engine Compression
Check engine compression with engine at normal operating temperature at specified cranking speed, all spark plugs removed, and throttle wide open.
COMPRESSION SPECIFICATIONS
| Application | Specification | ||||
|---|---|---|---|---|---|
| Compression Pressure | |||||
| Optima & Magentis (Canadian) | |||||
| 2.4L | 178 psi (1227 kPa) @ 250-400 RPM | ||||
| 2.5L V6 | 170 psi (1172 kPa) (1) | ||||
| Rio | 184 psi (1275 kPa) (1) | ||||
| Sephia & Spectra | 193 psi (1331 kPa) @ 300 RPM | ||||
| Sportage | 164 psi (1131 kPa) @ 250 RPM | ||||
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