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**asshanson** · 05-30-2011

Your global fuel should be set to around -31% (880s on corn, divide by 1.35 = acting like 650cc injectors on regular gas. 450/650 - 1 = -.307%). Your fuel trims are probably running super negative trying to lean the car out, and explains why it's rich under throttle in open loop.

I would get your idle and cruising fuel trims all set before doing any more WOT pulls. Once you get that figured out then zero out the RPM based fuel adjustments and adjust from there doing pulls.

05-30-2011	#2
asshanson immune from paybans Join Date: Oct 2005 Location: West Des Moines Drives: poorly Posts: 4,358	Re: ECMLink Tuning Questions (Logs Included) Your global fuel should be set to around -31% (880s on corn, divide by 1.35 = acting like 650cc injectors on regular gas. 450/650 - 1 = -.307%). Your fuel trims are probably running super negative trying to lean the car out, and explains why it's rich under throttle in open loop. I would get your idle and cruising fuel trims all set before doing any more WOT pulls. Once you get that figured out then zero out the RPM based fuel adjustments and adjust from there doing pulls. Last edited by asshanson; 05-30-2011 at 12:04 PM..