The 4.3 Vortec | Common Problems & Reliability

In this video, Jake covers Chevy’s 4.3L Vortec, or the Vortec 4300, engine. Jake covers problems for the LB1, LB4, L35, LF6, and LU3/LG3 variations of the 4.3L Vortec. He also covers the background and reliability of the engine as well. The article linked below, written by us, is a more in-depth guide on the common problems (symptoms & causes) with this engine: https://chevytrucks.org/chevy-4300-vortec-common-engine-problems/ 8020 Automotive Website: https://8020automotive.com/ Check Out Our Portfolio: Tuning Pro - https://tuningpro.co/ BMW Tuning - https://bmwtuning.co/ Diesel IQ - https://dieseliq.com/ Chevy Trucks - https://chevytrucks.org/ Porsche Mania - https://porsche-mania.com/ Muscle Car Club - https://musclecarclub.com/ New Videos Every Week. Subscribe so you don't miss a video! ►Subscribe Here: https://bit.ly/3xtNUph --------------------------------------------------------------------- What is 8020 Automotive? 8020 Automotive owns and operates a portfolio of content websites and eCommerce stores in the Automotive industry. We provide over a million monthly readers with high-quality automotive content, focused predominantly on technical and performance modification guides. --------------------------------------------------------------------- 00:29 – Chevrolet 4.3L Vortec Engine Background 00:57 – 4.3 Vortec Common Problem #1 – Idle Control Valve (ICV) and Throttle Position Sensor (TPS) 01:34 – 4.3 Vortec Common Problem #2 – Intake Manifold Gaskets 02:22 – 4.3 Vortec Common Problem #3 – Distributor Cap 03:17 – 4.3 Vortec Common Problem #4 – Spider Injectors 03:45 – 4.3 Vortec Common Problem #5 – Engine Knock 04:27 – 4.3 Vortec Common Problem #6 – Excessive Oil Consumption 05:09 – Chevrolet 4.3 Vortec Engine Reliability