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Thursday, July 27 • 8:00am - 11:00am
Unlocking Fuel Trims: The Analysis of Fuel Trim Corrections for Drivability Diagnostics
Being able to analyze total fuel trim correction in different fuel cells will help point your diagnostics in the right direction. Since the fuel trim correction factors are based on the O2 reading, we need to understand O2 functionality and confirm that they are working well first. For this reason, we will cover the different types of O2 sensors - Zirconia, Titan and LAF - and how to test them quickly.

The technician also needs to understand the impact if the PCM is using a speed density (MAP) type or MAF calculation process; this will have an impact on fuel trim correction factor. We will cover the difference between both and how it will impact the corrections base on engine load or volume efficiency.

The knowledge you will acquire during this training will help you save time and avoid doing long and unnecessary testing.

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avatar for Jean-Luc Sauriol

Jean-Luc Sauriol

Business Development Manager, ALLDATA
Jean-Luc Sauriol is business development manager for ALLDATA, based in Canada. He previously was owner of OBD3 Solutions, which ALLDATA acquired in 2014. Jean-Luc is an experienced technician and instructor, and assists ALLDATA with its Community, Knowledge Capture and diagnostics... Read More →

avatar for AllData


Created by experts, for experts, ALLDATA is the leading provider of OEM (Original Equipment Manufacturer) service and repair information to the professional automotive service and collision industries. ALLDATA’s suite of products, including ALLDATA Repair, ALLDATA Collision... Read More →

Thursday July 27, 2017 8:00am - 11:00am EDT
McCormick Place - West Building 2301 S. King Drive • Chicago, Illinois 60616