A clear vacuum diagram needed asap please Looking to join the Mitsubishi L200 Owners Club ? - Joining info here - - - - - - - Want to help our charities ? - Shop at Amazon through this link L200 Owners Club The Forum Public/Initial Posting Area. A clear vacuum diagram needed asap please: M - VACUUM DIAGRAMS PDF fileM - VACUUM DIAGRAMS 1998 Mitsubishi Montero 1998 ENGINE PERFORMANCE Mitsubishi - Vacuum Diagrams Diamante, Eclipse, Galant, Mirage, Montero, Montero Sport, 3000GT INTRODUCTION This article contains underhood views or schematics of vacuum hose routing. Use these vacuum diagrams during the visual inspection in F - BASIC TESTING article. VACUUM DIAGRAMS Repair Guide - AutoZone Print Following are vacuum diagrams for most of the engine and emissions package combinations covered by this guide. Because vacuum circuits will vary based on various engine and vehicle options, always refer first to the vehicle emission control information label, if present. Vacuum port identifier - MightyRam50 Vacuum formed in the primary throttle body by air passing through operates on a diaphragm actuator (called the "depression chamber" by Mitsubishi) which opens the secondary throttle in proportion to how much vacuum is formed, thus how widely the primary is opened.