In today’s video, Jake explores the most frequently reported issues, their causes, and how they impact the long-term durability of GM’s 4.3L EcoTec3 engine. Whether you're a current owner or considering a vehicle equipped with this engine, we hope this video will provide you with valuable insights to keep your engine running smoothly.
Links to our Boost AFM/DFM Device. This is the best way to support 8020 Media!
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If you would like to read up on the 4.3 EcoTec3 engine, we have an article on our Chevy website:
https://chevytrucks.org/common-gm-4-3l-ecotec3-engine-problems/
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00:20 – 4.3 EcoTec3 Engine Overview
00:51 – Most Common Engine Problems for GM’s 4.3L EcoTec3
01:15 – 4.3 EcoTec3 Common Problem #1 – AFM/DOD
03:33 – Other 4.3 EcoTec3 Common Problems
04:33 – Chevy/GM 4.3 EcoTec3 Reliability