7.3 runs rough on extreme tune

[psd92]

I have a 2000 F-350, 7.3 with the zf-6 manual trans. When I run it on my extreme tune the engine bogs down when I switch to it and my throttle response is horrible. All of my other tunes are fine to run, but when I shift on the extreme tune my rpms drop to idle speed. When I get back on the throttle after shifting it bucks from being at idle, and its pretty rough. I'm not sure what the problem is, the chip was installed before I bought the truck so I'm not sure where it was tuned. The previous owner said the chip was custom tuned but didn't say where, I contacted TS but they were clueless as to what was wrong. I was thinking it might be a lack of fuel pressure or lack of high pressure oil but I'm not sure. Any help would be appriciated.
Mods:
South bend single disc clutch
6 pos. Chip
Gen2 wicked wheel
Hpop cross over tube
Green intake
Ccv re-route
4" straight pipe turbo back
Much more to come

 

[mandkole]

Outside of verifying the contacts for an issue on that switch position, you should plan to send it to a chip guy to check the board and for a reburn. Extreme on an other wise stock truck is overrated anyway...

 

[psd92]

I very rarely run the extreme tune, but I wanna figure out what the problem is without throwing money into it and not fixing the right issue

 

[Jason]

Run it on a lower hp tune...problem solved. A stock 7.3 will just about always run better on a smaller tune.

 

[POWER-STRUCK]

more than likely the chip has tunes from 2 totally different box codes. does it act up if you start it up on that tune and do not switch it?

 

[TyCorr]

more than likely the chip has tunes from 2 totally different box codes. does it act up if you start it up on that tune and do not switch it?

Thats what it sounds like to me.

 

[psd92]

I'm not sure, I don't run it often and never leave it on that tune

 

[TyCorr]

My truck had a e99 "race" tune inadvertently loaded onto my chip.and the truck would.set a SES light and often die.

 

[psd92]

When I switch to the extreme tune it bogs down and sputters for a few seconds. It also idles a little bit lower than normal.

 

[TyCorr]

When I switch to the extreme tune it bogs down and sputters for a few seconds. It also idles a little bit lower than normal.

Yea, we all heard ya. Sounds like a.bad tune or incorrect tune to be precise.

Two people told ya, and a tuner also. Pretty good clue. Get some.new tunes.burned.

 

[POWER-STRUCK]

its kinda like this:

DAC3 / DAC3 / DAC3 / DAC3 / DAC3 / AWA4
duck / duck / duck / duck / duck / GOOSE

a simple reburn may be the solution

 

[psd92]

Plan on it, I wanted more than one opinion before I made a decision. I've had know it all's tell me it was everything from bad fuel to the typical oh it's a powerchoke comments...

 

[always-strokin]

more than likely the chip has tunes from 2 totally different box codes. does it act up if you start it up on that tune and do not switch it?

x3 was thinking the same thing

 

[POWER-STRUCK]

if a reburn is needed I am more than willing to help you out

 

[ToMang07]

If you have someone local with AE or similar code reader (that will read PSDs) I would check out your HPO system.