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If you can, post your tune and a log of the 3-5 bump happening. Will be easier to see whats going on.

Wonder what changed between then and now?

LSXceleration stage 2.1 cam Speed Engineering Headers and Y pipe 3.5 in exhaust L86 intake manifold and TB Catch Can Engine totally rebuilt with...

There are things I see that are a much bigger problem than what you think is going on. The fuel trims are constantly rich and the target AFR is...

Fair enough, I will get a copy uploaded this evening, the lower kpa areas don't worry me it is the fact it seems to do it at all boost regions up to...

Injector flow rate is set for a return style system and the offset is setup as a "dead head" system. VE is um, interesting. The dynamic cyl....

The wires going to the PCM from the fan harness.. Try grounding them.. see if that turns on the fan. If it does then you know it's a tuning issue....

Use the scanner to purposefully drive the IAC around. Make sure the idle responds. There is no feedback on IAC.. Its basically told to run into a...

The wideband is flatlined like it isn't working. The VE doesn't look good at all. There is much chance this is actually tuned well which is...

Not sure of the cause since you don't want to share you tune file but I wouldn't be concerned about that little blip @ 112 Kpa. I wouldn't be...

I will check the beta when I get home, I did not see anything that jumped out as a solution though. In case I missed it what is the temp threshold...

no, you need f150 OS

I did check the fluid level before posting this. I wish the damn thing had a dipstick but I checked it at temp while running and there was a...

Yes, verify fuel psi 1st. I suspect your WBO2 is not set up correctly, it should not stay that steady during a transient situation. Do you have...

Which system are you using? Sound German?

Your running lean around the 4,000 rpm point due to the additional flow you received from the exhaust upgrade, which means you need to add fuel to...

HPT doesn't give tuning advice.

What mods are on the truck?

I turned a couple DTCs off so i could get my truck inspected

What are the mods? Like Cringer posted above, this isn't necessarily the best guide to follow. It looks like you've tried to fail MAF, but didn't...

That sucks Its brand new, was just rebuilt. what you did to the file made it shift. Im sure you can see that. Also it had a DTC solenoid B stuck...

If you haven't already, it's worth checking to see if there is a chip installed in the j3 port on the back of the pcm

my early e38 dosnt have the enable/disable for the desoot but i get the temp threshold to just max out, does your have that in the current beta...

Normally if it is a GMPP crate controller for a manual trans & wiring with a twisted pair VSS feed it would already be set for RepTOS. That is the...

I also disconnected and plugged the vac hose to the brake booster with no change. The valve cover is new with the updated pcv.

I dont think HPT has that available. I'd get a pressure gauge connected to the transmission or be prepared to remove transmission to have it...

Is there a PID I can log for the pressure manifold?

At full throttle from 2nd to 3rd the truck acts as if it hits the rev limiter but it doesn't (rev) instead the RPMS drop an then it shifts.

Your asking for some help. Need to post your tune and a datalog. Unless your looking for someone to pay to tune it for you. Or are you looking for...