Table of Contents 1. Introduction 2. What Exactly Is an EGR Cooler (and What Does It Do)? 3. How EGR Coolers Work in the Diesel EGR System 4. EGR Coolers in Different Diesel Engines 4.1 Cummins Engines 4.2 International (Navistar) Engines 4.3 Ford Power Stroke 6.0L Example 5. Common Symptoms of a Fa …