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Vacuum Diagrams: Introduction

This article contains example underhood views or schematics of vacuum hose routing. Use these vacuum diagrams as a guide during visual inspection.

NOTE: Specific vacuum diagrams are not available for Axiom, Passport, Rodeo, Rodeo Sport and Trooper. Use underhood emission application label to identify correct emission system applications. This will assist in identifying improperly routed vacuum hoses which may cause driveability and/or computer-indicated malfunctions.
Fig 1: Identifying Evaporative Emissions System Components (3.2L & 3.5L V6)
G00141541Courtesy of ISUZU MOTOR CO.
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