Section 316 (Engine Controls - Trouble Shooting - With & Without Codes): Foreword

WARNING: This page is about a different car, the 2003 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

Before proceeding with the following troubleshooting,

Refer to BASIC DIAGNOSTIC PROCEDURES to understand basic troubleshooting procedures.
Perform the diagnostic trouble code (DTC) inspection.
If a DTC is displayed, proceed with the appropriate inspection steps.