Brett McClelland Tags: Fuel, Fuel Systems, Fuel Trims, HP Tuners, Teaching, Tech Tips, Tuning -

Watch as Brett McClelland solves this issue in a jiffy!
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Gerrot Jacobson Tags: Fuel Trims, Open and closed loops, Tech Tuesday, Tuning, Tuning Education -

Knowing what open and closed loop is, how it works, and what sensors it uses is the first step. But now how does closed and open loop use fuel trims? Let’s start with knowing what both sets of fuel trims are first.

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