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Title: Fuel trim nooby q Post by: tadope on July 22, 2021, 11:31:17 AM Hi. just need some clarification.
Do fuel trims do anything during WOT/open-loop operation? I thought this was the way things worked, please correct me if i'm wrong???? LTFT: take about 20 sec to kick in, and apply to idle and part throttle STFT: act immediately idle/part throttle open loop: only when the car can be at stoich/14.7, which is basically just idle closed loop: anything outside 14.7 and primarily WOT Is my knowledge correct? I'm wondering how to go about running the car for WOT after clearing codes? does the ecu learn and apply any trims to WOT over time? Title: Re: Fuel trim nooby q Post by: nyet on July 22, 2021, 02:04:49 PM The FR answers all of your questions.
Title: Re: Fuel trim nooby q Post by: tadope on July 22, 2021, 07:09:42 PM Woah. Ok
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