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Common Diesel Problems for Chevy GM Duramax Diesel LLY Fuel Injection Control Module FICM 6.6L 2004 - 2005: Troubleshooting and Repair Services
The Chevy GM Duramax Diesel LLY Fuel Injection Control Module (FICM) is a critical component of the 6.6L engine, used in the 2004-2005 model years. The FICM plays a vital role in controlling the fuel injection system, ensuring optimal engine performance, fuel efficiency, and emissions. However, like any complex electronic component, the FICM can be prone to problems, which can lead to decreased engine performance, reduced fuel efficiency, and increased emissions.
In this article, we will di
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Apr 04, 2025