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Home >> Lexus >> 1995 >> SC 300 Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Controls - Specifications >> Mechanical Checks >> Engine Compression

Engine Compression

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To check engine compression, bring engine to normal operating temperature. Disconnect distributor electrical connector(s). Remove all spark plugs. Remove air intake hose from throttle body. Fully open throttle. Ensure engine cranking speed is at least 250 RPM when measuring compression.

COMPRESSION SPECIFICATIONS

Application Specification
SC300 Compression Ratio 10.0:1