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Tech Tip Thursday: Fuel Trim Diagnostics

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Learn how to use fuel trim as a diagnostic tool in this video.

In this webinar, we are learning how to use Fuel Trim as a diagnostic tool. You'll learn why testing under a load is important, what Load Input sensors are, and what Fuel Trim Cells are. Watch this for a review, or a new look at ways to test the system.

This is a recording of a previous webinar that took place February 12th, 2026.

Fuel Trim Diagnostics

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