This category is dedicated to the GM 4.3L, 5.3L, and 6.2L EcoTec3 engines. Our content for the Ecotec3 includes articles like the Chevy 5.3 vs 6.2 EcoTec3 and how to delete/disable Active Fuel Management (AFM). Check out more awesome, helpful EcoTec guides below.
The EcoTec3 family is up-and-coming, after taking over from the Vortec family of engines. Of the three variants, we’ll be discussing the 5.3L as well as the 6.2L. Both of these V8s are big brothers to the smaller 4.3L engine that rounds out this EcoTec triplet set found in many popular Chevy engines today and…
When it comes to powering your Chevrolet pickup truck, deciding between the available engine options can be a challenge. It’s not so much about displacement, but more a question of capability and, like many things automotive, what all can go wrong (and how much it will cost you). To help you decide between the 3.0L…
The 4.3L V6 EcoTec3 LV3 engine is one of the three EcoTec3 family engines announced in 2012. EcoTec3 engines are General Motor’s 5th gen small block engines that replaced the 4th gen Vortec engines and were designed for pickup trucks. The 4.3L V6 EcoTec3 LV3 engine was introduced as the base option in the 2014…
AFM or active fuel management is a GM/Chevy technology meant to improve gas mileage. AFM works by deactivating half of the engines cylinders under certain circumstances to reduce fuel usage. It essentially turns your V8 engine into a V4 which saves fuel. GM claims fuel improvements ranging from 5%-15% depending on the engine. So why…
Chevy EcoTec3 6.2L Engine Problems While the Gen IV Vortec engine line is still in production today, Chevy launched the new EcoTec3 engine line as the successor or Gen V to the Vortec in 2014. The 6.2L EcoTec3 is the small-block V8 that powers the majority of Chevy’s performance vehicles, such as the Corvette C7’s…
Chevy EcoTec3 5.3L Engine Problems After a strong 30+ year run for the Chevy Vortec engine family, the Vortec was replaced with the new EcoTec3 engine line. Plagued by oil consumption issues and active fuel management problems, the Vortec engines were retired in 2013. Introduced in 2014 the EcoTec3 engine family featured 4.3L, 5.3L, and 6.2L…
