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Yeah see that's why. Move the stop in until the throttle just starts to crack open. Throttle should rest on the stop not the blade. Give it another 1/2 turn.

Perform throttle relearn.

Don't...

You backed out the screw yet TPS voltage didn't change. Is the screw still on the stop? When you moved the screw the throttle moved with it?

Ah ok. Then just do the tuning with narrowbands part.

Show me the link to them. I figured they were the GTP injectors.

Verify 4bar fuel pressure and that it's a non-referenced fuel pressure regulator. Then input the fuel injector data found here:...

Had the effect we wanted. Are you able to back the throttle stop off? I'd like to see TPS voltage being close to 0.45V as possible.

That and IFR.

Offset and SPA are the biggest factors.

You can bump up idle spark and BRAF, or even add rolling idle.

Open the log at post 44 and move the cursor to 20:54. Now hold the cursor and drag it to 21:20. Do a few back and forth drags and...

I think that'll do a lot of good.

What's confusing is that those adjustments I made to on SD_3, decreasing the rate of change in spark, should've improved the symptoms you're having.

So, what else is there? Fuel reaction to O2...

Ffs sorry about that. Here's the link.
https://www.pcmofnc.com/2021/03/05/idle-setup-cable-driven-throttle-body/

Yeah and wiring.
https://lowbuckls.com/closed-loop-with-one-o2-sensor-using-the-stock-ecm/

You can run just one and adjust Fuel>General>Injector Bank Select to match.

M90 on 6 liter lol.

Alright that's better. Wideband is AEM 30-4110?

Follow this procedure. Especially the "Increasing Closed Throttle Body Airflow" part. IAC counts are maxed out.

After that do another log. ...

Instead of disabling VCT and your other changes, command MP0 at the Distance Tables.

Try again.

Here it is for wideband tuning. Dial it in with narrowbands after you get the B2 issue sorted.

Hey man been extra busy lately. I'll get to this in a while for you.

I'm having good results doing a tune using Deka 80's with a vacuum-referenced reg set to 3bar (43.5psi). Started with 4bar using the AACorvette Deka 80 data, but it' was tuning like garbage. I...

IAT relocation helped. Actual tracks commanded a lot more consistently. Still there's the lean spike on tip-out after WOT.

WMI is off when when you let off the pedal and the throttle shuts. If...

I would say load SD_2 and apply changes to main spark in the opposite direction of SD_3 to see if that has a positive effect. From the log at 13:13, where the idle dips, it looks like the engine...

Use LTFT, STFT, and LTFT+STFT. I make corrections based on what's going on in all of those. LTFT+STFT with weighting based on what I see in the other two. You'll see.

WOT/PE yes wideband. Set...

Yeah add that channel to the log.