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Fixing Fuel Injection Issues in Your Duramax Diesel: A Guide to Replacing the FICM

Fixing Fuel Injection Issues in Your Duramax Diesel: A Guide to Replacing the FICM

Are you experiencing fuel injection issues with your 2001-2004 Chevy GM Duramax Diesel LB7? Poor engine performance, reduced fuel efficiency, and frustrating downtime can be a real hassle. The culprit behind these issues is often a faulty Fuel Injection Control Module (FICM). In this article, we'll explore the importance of the FICM, common symptoms of failure, and how a rebuilt FICM can get your engine running smoothly again. What is the FICM and Why is it Important? The FICM is a critical comp
Mar 18, 2025 Auto & Truck Electronics