Short Term and Long Term Fuel Trims Explained

In this video I am going to explain how your short and long term fuel trims are calculated, than we'll try to diagnose a problem on a 2003 F150 with a 4.2L engine. Please consider supporting this channel: https://www.patreon.com/Ratchets Facebook: https://www.facebook.com/Ratchets2015 Twitter: https://twitter.com/Ratchets15 Instagram: https://www.instagram.com/ratchetsandwrenches Here are some other video's you may find interesting: How to Clean Fuel Injectors: https://www.youtube.com/watch

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