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SVTPerformance's Chain of Restaurants
Tuning À la carte
Short term fuel trim?
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<blockquote data-quote="fbody83" data-source="post: 13414878" data-attributes="member: 8218"><p>When you go WOT, your car should go into open loop which no longer uses the short term fuel trims for fueling. Instead it uses the fuel you're commanding in the tune and in your logs your short term fuel trims during WOT should show this commanded fueling (in lambda). </p><p></p><p>If they're showing 1.0 and you're in open loop that's bad, because it means you're commanding an AFR of 14.7 at WOT.</p></blockquote><p></p>
[QUOTE="fbody83, post: 13414878, member: 8218"] When you go WOT, your car should go into open loop which no longer uses the short term fuel trims for fueling. Instead it uses the fuel you're commanding in the tune and in your logs your short term fuel trims during WOT should show this commanded fueling (in lambda). If they're showing 1.0 and you're in open loop that's bad, because it means you're commanding an AFR of 14.7 at WOT. [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Short term fuel trim?
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