https://stream.echo6.co/videos/watch/209ab7f3-0111-4eec-8215-3335dc141358 In this video Miss Marie has a look at a Chevy Sonic that comes in with the engine light on and has a lean code stored in it. This is her first diagnosis she has attempted and is an ambitious learner! Be sure to check out Mike over at NGK to learn more about Fuel Trims and up your game when it comes to lean and rich codes. -Enjoy! Fuel Trims—Testing & Diagnosing Rich and Lean Conditions (P0171, P0172, P0174, P0175): https://www.youtube.com/watch?v=BlcWBZ-iaTY Tue, 12 May 2026 12:32:49 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/209ab7f3-0111-4eec-8215-3335dc141358 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.