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 engine variations throughout the … [Read more...] about The 5 Most Common Chevy EcoTec3 5.3L Engine Problems