Duramax ficm test. The fuel injection control module (FICM) is an important part of your...

Duramax ficm test. The fuel injection control module (FICM) is an important part of your Duramax engine and if it is experiencing issues this can greatly affect the performance of your vehicle. I checked the power to the ficm and I got codes of p2146 fuel injector group A circuit open and p0207 cyl 7 injector A circuit. Dec 4, 2016 · You can test one by just plugging it in real quick and running it for a short time. Learn when to replace & upgrade for optimal performance. 2 ohms while the remaining seven injectors measured their normal 0. As a result, the engine takes a longer time. Come join the discussion about duramax engines, performance, builds, modifications, classifieds, troubleshooting, maintenance, and more! Home Forums GM Diesel Engines Duramax First Generation: 2001-2004 (LB7) Feb 8, 2023 · Does your Duramax have a problematic FICM?A bad FICM on a Duramax can cause your vehicle to experience poor performance. What Is an FICM? The fuel injection control module (FICM) is a component that supplies both power and Aug 10, 2017 · A forum community dedicated to Chevrolet and GMC diesel truck owners and enthusiasts. Furthermore, it causes loss of power, rough idling, and overheating of the system, leading to poor fuel economy. It is always good to check on the batteries to see if they Mar 4, 2025 · Recognize LLY Duramax FICM failure signs: hard starts, rough idle, smoke, poor mileage. ioqj cysra srtcs vtqchfy qbekley jajlkp obc hghk hvgvkz alauk