Mechanical Inspection: Compression
Check engine mechanical condition using a compression gauge, vacuum gauge or an engine analyzer. See engine analyzer manual for specific instructions. Ensure engine is at normal operating temperature. Engine cranking speed must be at least 250 RPM during compression test.
WARNING:
DO NOT
use ignition switch during compression tests on fuel injected vehicles. Use a remote starter to crank engine. Fuel injectors on many models are triggered by ignition switch during cranking mode, which can create a fire hazard or contaminate the engine's oiling system.
COMPRESSION SPECIFICATIONS
| Application | (1) psi (kg/cm2 ) | |||
|---|---|---|---|---|
| Normal Compression Pressure | ||||
| Esteem, Sidekick & X-90 | 199.0 psi (14.0 kg/cm2 ) | |||
| Swift | 192.0 psi (13.5 kg/cm2 ) | |||
| Minimum Compression Pressure | ||||
| Esteem & Swift | 156.4 psi (11.0 kg/cm2 ) | |||
| Sidekick & X-90 | 170 psi (11.9 kg/cm2 ) | |||
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