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Tuner
maf temp compensation.
anyone else having issues with fuel trims at hotter iat temps. currently have a vortec v3 on mine and when iats go above 109 my fuel trims start to go towards the lean side and eventually dies. I have my maf temp compensation stock. Living in Tucson AZ those are eveyday temps. its actually pretty cool rn I will upload a log when I can get the car to do it again.
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I usually always make composition 0
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Tuner
I tried it at 0 and they still fluctuated which is whats throwing me off. I changed my maf curve im waiting for the temps to go back up as its been pretty cool to try it again. I was blaming idle torque control as it would mess with my spark and maybe fuel too. but it only does it at higher iats. ill update as soon as I can get a log of it
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Tuner
disregard this post. the maf curve was too high causing torque control to remove fuel. i adjusted the maf curve better and the car stopped surging at idle at hotter temps. it ocasinally hits a lean spot but its not too bad i will fine adjust it further.
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