Entering closed loop during WOT?!!?!

[rgaum12]

Have a weird problem where under acceleration, after passing WOT, it will go from open loop acceleration to closed loop and my commanded eq will go back to 1.0. Any ideas?

[Ben Charles]

What does throttle look like?
Could be closing going into the Low tps threshold therefore going into 1.0 commanded fuel

[rgaum12]

I have PE set for 35% pedal position which I also have WOT set for 35%. When I reach 35% pedal the engine enters Open loop but will randomly kick out later to closed loop and jump back to 1.00 lambda. Even if I am 70% pedal position.

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[Ortiz]

What year is the vehicle and what's the setup?

[rgaum12]

What year is the vehicle and what's the setup?

2010 ford raptor 5.4 3v with roush m90 supercharger 1.9l, 39lb injectors, straight piped.

[* _ *]

torque management or KR causing the tb to override the commanded TPS? If the tb is closing, that may be messing with OP/CL?

[Ortiz]

2010 ford raptor 5.4 3v with roush m90 supercharger 1.9l, 39lb injectors, straight piped.

Do you currently have cylair anticipation switch turned off? You'll have to do this in order to make the vehicle go wot and go to open loop. From there, you'll be able to gather the data needed to dial in your Load with Failed MAF table. N/A you don't usually have this sort of problem but once you go boost, you need to do this. I've seen some people leave the switch off and call it a day but from my experience you usually get a tip in fueling inconsistencies when the switch is off and LWFM stays stock so always calibrate that table.

It'll also help if you post up your tune file so it takes the guessing out of the equation. Let us know how it goes.

[rgaum12]

looks like cylair is enabled. I have posted the tune file.

Thanks for the help.

5-revised from 04 10psi.hpt