Anything about Ford EEC tuning. TwEECer and Moates questions dominate, but there's some SCT and OBD-II knowledge too.

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JuiceSC
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Re: At a loss

Post by JuiceSC » Sat Jul 26, 2025 4:59 pm

Still slightly on the lean s]ide, added a few percent to maf. This should be much closer.

I'm still not seeing why KAMRF won't move. And I would like to get the idle speed match the desired RPM.
I suggest opening the throttle stop 1/2 turn (w/key off), the eec will reset so no worries there.

I'm going to be on the road for the next couple of days, may not have internet access.
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Last edited by JuiceSC on Sat Jul 26, 2025 5:10 pm, edited 2 times in total.
91 GT, A9P, systemax II, 75mm tb, AFP, 75mm Pro M, 42#, Vortech S trim, GT40 crate 5.0, BBK catted X, flows, Tremec 3550, Pro 5.0, 3.27 gears. Tweecer RT, TunerPro.
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tufgriz
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Re: At a loss

Post by tufgriz » Sat Jul 26, 2025 5:03 pm

same sort of driving or steady rpm? also is that the correct bin? it seems to be the same one form earlier
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JuiceSC
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Re: At a loss

Post by JuiceSC » Sat Jul 26, 2025 6:24 pm

Not sure how that happened. lol This is correct bin. Yea, same type of driving, rev holds to confrim my changes.
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91 GT, A9P, systemax II, 75mm tb, AFP, 75mm Pro M, 42#, Vortech S trim, GT40 crate 5.0, BBK catted X, flows, Tremec 3550, Pro 5.0, 3.27 gears. Tweecer RT, TunerPro.
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tufgriz
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Re: At a loss

Post by tufgriz » Sat Jul 26, 2025 7:20 pm

I did see kamrf down around .990 after I shut off the data log as I was getting ready to park
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tufgriz
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Re: At a loss

Post by tufgriz » Sat Jul 26, 2025 7:50 pm

so this isnt a driving log as I will get that tomorrow, but I let it idle for about 10 mins warmed up and it started changing so I shut it down and started a hot start log and it continued to change. so this is that parked hot idle log if you want it
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tufgriz
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Re: At a loss

Post by tufgriz » Sun Jul 27, 2025 12:31 pm

here it is driving, had a little stumble at startup and had the feather the throttle slightly
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JuiceSC
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Re: At a loss

Post by JuiceSC » Sun Jul 27, 2025 2:14 pm

I wont be able to review lov till wednesday.
91 GT, A9P, systemax II, 75mm tb, AFP, 75mm Pro M, 42#, Vortech S trim, GT40 crate 5.0, BBK catted X, flows, Tremec 3550, Pro 5.0, 3.27 gears. Tweecer RT, TunerPro.
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tufgriz
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Posts: 53
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Re: At a loss

Post by tufgriz » Fri Aug 01, 2025 6:04 pm

Any luck with that last log?
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tufgriz
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Re: At a loss

Post by tufgriz » Thu Sep 11, 2025 11:18 am

Looks like im going to have to come back to this and start over. When I swapped my a9l back in about a year ago all was well with the capcitors, but checking things over last nigjt it looks like they have gone bad. Hoping that is what is causing the lean fueling issues, guess time will tell
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