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Vacuum Diagrams: Introduction

This article contains schematics of vacuum hose routing. Use these vacuum diagrams during the visual inspection portion of BASIC DIAGNOSTIC PROCEDURES article. This will assist in identifying improperly routed vacuum hoses, which cause driveability and/or computer-indicated malfunctions.

NOTE: When replacing or repairing vacuum or purge hoses, DO NOT use soapy water or any type of solvent for lubrication.
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