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Chevy GM Duramax Diesel LLY Fuel Injection Control Module FICM 6.6L 2004 - 2005 REPAIR SERVICE
Revive Your Duramax Diesel: A Guide to Repairing the LLY FICM
Is your 2004-2005 Chevy GM Duramax Diesel LLY experiencing fuel injection issues? 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 our repair service can get your engine running smoothly again.
What is the F
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Mar 18, 2025