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I did a bunch of testing over several months time. The vehicle I posted about back in 23 is our vehicle. The code only set on cold mornings if you...

1, you should be posting this in the GEN 4 section. 2, your vehicle doesn't have a fuel pressure sensor. 3, your IAT is reading -40 which is...

Me and it?s better but the truck will eat fuel economy like a fat pig

Fully aware

Vague posts get vague answers. Yes, maybe, depends..... If you swap injectors obviously you have to correctly input the data that goes with them....

There's still a lot of problems with this file and you've created more. If tuned properly, you should never have to touch the minimum spark table....

here is another run/log, and the tune after the run.. i made the changes from red to green and smooth out in each direction one time each. same as...

Might wanna take this with you, based on the information provided.

But there is nothing different in the torque management, unless there are extra maps hptuners does not recognize yet. Maybe someone can help us...

I'm in the same boat as you. I think the main differences are in the torque management as there doesn't apear to be any way to adjust the boost. Not...

Update for anyone that still follows this, I switched to PCMTec last year, and even they have no definitions for Y or X .

Thank you Johnny! I'll give this a shot first thing in the morning and let you know!

Well I thing ill grab a popcorn for this...

No worries, glad things are working out. I looked at the large log and it looks like there was a lot of spark retard. I think I'd go back to...

2000-02 TAC module and return that junk X-Link. This method works, I use it myself on a 24x SBC. 2005 P59 running a 6.0L based tune, 02 8.1L TAC...

FYI Alvin = PCMofNC :)

I saw that with ezlynk, can it be used with hpt though?

There is a 2 wire plug in the engine bay that ezlynk and cummins tools hook to I think

all i know right now before heading to it is that he gutted cats and added a thrush muffler

And does cats cut off mean basically open headers?

What does the oxygen sensor data show? They dont automatically start running rich unless the oxygen sensors tell it to or there is an exhaust leak...

Got my torque rush x link today. Plugged in to my tbss intake swapped 2005 tahoe with oem tbss throttle body. Reset the battery for 30 seconds....

I had wondered the same but always assumed it was total pw.

Thanks, Just ordered one up!

Plugged into obd2 port, turned key on position. Green light is on, amber light flashes once/ second and blue light flashes quickly. Clicked info soft...