In-depth, insightful content for the Chevy 4.3 EcoTec3 engine. Currently we have a GM 4.3 EcoTec3 engine problems guide and an article on deleting or disabling AFM. However, we plan on adding additional content for the 4.3L V8 so check back in the near future.
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…
