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Old 05-13-2009, 11:35 PM   #21
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FWIW i checked the IAT and CLT a couple diff. days 1st thing in the morning. The numbers matched.

That said, I played around more with the Coolant Related temp correction.. I started at 60 degrees, went up to 170. As of now, i have it starting at like 120, going to 130 by 80 degrees, then hitting 135% at like 130 degrees..

Amazingly enough, the idle AFR looks pretty steady now no matter if i'm stopped during the midday heat, cruising in the morning at 40 mph, or zooming around town a little.

I'm still a little concerned though, because it wasnt really behaving the way i thought it would (i probably just don't understand how it works).. Lets say the IAT was reading 90 degrees, and it was too lean... I would edit the cell at 90 degrees, but that made NO difference.. so i said OK, and started setting EVERY cell from 170degrees to 50% each, until the car stalled

I noticed that the car stalled when i edited the 60 degree cell, but didnt even blink on the others... this makes me think that although megatune sees the IAT temps correctly, the MS is interpreting them wrong.. would htis be solved by a firmware reflash??

i honestly don't care much as long as i'm able to tune it the way it is

-tomaj
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