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Problem solved! I had to back out the DSP pins and turn them 90 degrees to seat properly, and when I did that I accidentally backed another wire out on another row, straight across from the ground...

OK, That is something I can't do, due to lack of tools, and time. What is a control module vs. the FRP sensor?

Hey need some help here;
I have a DTC 0193, and a real rough idle issue. My tuner thinks it a fuel pressure sensor, could this be correct? Is this the same as a fuel pressure regulator?
The idle...

I figured it by taking the miles driven on the tank divided by the gallons of fuel used per the DIC. I think the tire size was off at the time, not sure how much that would throw it off, the speedo...

Could I send you a tune to look over? I am losing about 3mpg, and it's just a tow tune.

We moved here about four years ago from Kansas. Well, I lived there for ten years, but I was born in Portland, my dads in Hillsboro, grew up in the NW, and finally had enough of the heat & humidity....

I'm in the sprawling metropolis of Scio haha! Maybe we'll have to meet up sometime!

Naw, I gotta pay it off first!

Any ideas as to why GM is being a turd about the ECM? Is this the future for all ECM controlled vehicles? I sure hope not, or I'm going to be driving my LBZ for a long time:wallbash

Ok, I suppose someone will tell me that this has been discussed before, but I don't want to spend a bunch of time looking at search results.
So, here's my question; I want to alter the tune I have...

Thanks guys. I spend a lot of time on duramaxforum, never been on the dieselplace site.

Hey,
I don't know if this is the right place to put this, but want to say hi, and introduce myself.
I am just getting into the EFI realm, and will be getting it installed on my laptop asap. I have...