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Are you experiencing fuel injection issues with your GM Chevy Duramax Diesel 6.6L? 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 LLY FICM can get your engine running smoothly again. What is the FICM and Why is it Important? The FICM is a critical component …

The Fuel Injection Control Module (FICM) is a critical component of your Chevy GM Duramax Diesel engine, responsible for regulating fuel injection and engine performance. When your FICM fails, it can cause a range of problems, from reduced engine performance to complete engine failure. In this guide, we'll walk you through the process of uninstalling and installing a new FICM for your Chevy GM Duramax Diesel engine. Common Fault Codes That May Indicate a Faulty FICM: Before we dive …