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Bostech Auto Blog

Most Common EGR Failure Modes and Testing Procedures

Sep 30th 2025

Table of Contents Introduction to EGR Systems Why EGR Components Fail Essential Diagnostic Toolkit Most Common EGR Failure Modes Internal EGR Cooler Leaks External EGR Cooler Leaks Soot and Ash Restriction EGR Valve Stuck Open EGR Valve Stuck Closed Differential Pressure Sensor Failure Temperatur …

The Ultimate Guide to Diesel Fuel Injector Cleaners: What Works and Why

Jul 24th 2025

Table of Contents How Diesel Injector Cleaners Work: Chemical and Mechanical Processes Scientific Studies and Testing Data Types of Diesel Injector Cleaners When to Use vs. When Not to Use Injector Cleaners Top-Rated Products: Brands, Formulations, and Features Preventative Maintenance Schedules f …