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Engine Controls - Basic Diagnostic Procedures: Diagnosis Mitsubishi Lancer IX

VISUAL INSPECTION

Visually inspect all electrical wiring and connectors for damage. Ensure electrical connectors fit tightly and are not corroded. Ensure vacuum hoses are properly routed and are not pinched or cut. See appropriate VACUUM DIAGRAMS article to verify routing and connections (if necessary). Inspect air induction system for possible vacuum leaks.