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Well im probably the only guy that can help you here. Despite not loving this swap...not the cheapest option but guarantee to work

So I picked up a used MPVI2, and I’m happy to report that yes, you CAN tune the JTEC PCM used for trans control on the Cummins trucks! However,...

So can I just shunt the p16f3 code? I have tried going over the file looking for what has caused it, and still same thing. Rep after a restart from a...

Nothing special, LOL... But this made me learn :)

Here ya go. Know it's way late but just seen this thread. Hope it helps. 2004 Jeep TJ 4.0w/auto

Have any tuning walk thrus for 2004 Jeep TJ 4.0 w auto trans?

Hi All, I've posted a few times, but still new to forum. I have a heavily modified Jeep TJ 4.6 I6 I built, that I am constantly improving. I want...

yeah mate this tune was done at gforce performance centre while getting a new clutch kit put in the o2s have been changed several times with genune...

stock 2013 returnless silverado l96 pump with walbro 255

not exactly sure. Something about the fan harness they bought. Said something about having to run a jumper so the 1st relay powered the 2nd.

What about the rest of the injector data? And what are you using to regulate it to 65psi?

What was the result after installing a new tps? I have a similar tps readings using the OBD Fusion app. I also have a BBK 62mm TB installed.

Give this a try. If it works, just do a comparison to see the changes.

Raise the 6000 RPM limiter on ECM 12063. Russ Kemp

3.58 isnt a normal GM gear. its 3.42s or 3.73s. I see some skewed numbers in the tune as well.

thanks! ill dig into (get a chance to play again) probably this weekend, i dropped all the idle rpm to a baseline+100, it seems to be smoother but...

411 injector are 38lb at 58psi at 65psi it = 40lb its not that off

I've had this happen before but the result was related low voltage. If I loaded the file into the vehicle on a charger, keyed off after tune was...

Would be happy to help. Sent you a message.

Awesome, I appreciate the help. yea it idles much better with the 14degrees minimum timing. I'll have to try out the efficiency inverse table changes...

Was the injector data set up for 65psi? Not that it would make it run lean, but the standard injector would not be correct for 65psi.

1991 c1500 I thought it had 3.73s but according to previous tuner thats what it had per vin

29in tire they're small. i dont have controller for my wideband so i use the narrow band. The fuel pressure never drop under load 65psi steady and i...

Like normal no one lol