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The Fuel Injection Control Module (FICM) is a critical component of the 2001-2004 Chevy GM Duramax Diesel LB7 engine. It plays a vital role in controlling the fuel injection system, ensuring that the engine runs smoothly and efficiently. However, the FICM is prone to failure, and many owners of these vehicles have experienced problems with this component. Why Does the FICM Fail? There are several reasons why the FICM may fail, including: Heat Damage: The FICM is located in a hot environmen …

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 6.6L Duramax Diesel running smoothly again. What is the FICM and Why is it Important? The FICM …