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    Had a chance to do some tweaking today and this...

    Had a chance to do some tweaking today and this data helped a lot!! Thanx! I made about 7 or 8 more tweaks today and I'm getting much closer to where I need to be. I appreciate the help, folks!
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    Thank you so very much. I will give this a try....

    Thank you so very much. I will give this a try. It's ugly weather today so it may be another day before I get the results. Thanx again!!
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    Change this table to all 1s? And then Enable and...

    Change this table to all 1s? And then Enable and Disable up a few mph? The disable is M/S instead of MPH. I don't know what that is. I apologize for my ignorance, but I'm a 70 year old carb and...
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    Thank you very much for the responses, gentlemen!...

    Thank you very much for the responses, gentlemen! The truck is a 2000, has a BT stage 3 truck cam and long tube headers, full exhaust, and cold air kit. The problem I have is that I didn't do this...
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    Please help with 5.3 idle issue

    There are many things wrong with this tune, but I'm still learning. BUT, I need help with this one issue. With my truck in gear, my idle is about 800 rpm. When I let it creep the engine suddenly...
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    Okay, I think I got that. I don't care about the...

    Okay, I think I got that. I don't care about the light. I just want the truck to run hlf way well so I have transportation. So I should enable DTC on the MAF and set "on first error".
    I want to...
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    Truthfully, I don't know. This is the way I...

    Truthfully, I don't know. This is the way I received the truck and I am attempting to work it out. Am IK to assume that disabling the DTCs means the component is also disabled? I was under the...
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    Here is the current tune in the vehicle. It came...

    Here is the current tune in the vehicle. It came this way, except, I went in there and put the correct axle ratio in.
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    Okay, I have some fresh injectors coming, but I...

    Okay, I have some fresh injectors coming, but I have one more concern before I begin tuning. The previous owner installed headers and I just discovered that he has one upstream 02 in one side, and...
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    This would be greatly appreciated!! I will go...

    This would be greatly appreciated!! I will go this route. My son's buddy has run of a scrap yard and they get vehicles in on a daily basis. I'm sure he can score a harness and such to make this swap....
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    It's become much more complicated than this,...

    It's become much more complicated than this, actually. I'll give you the Reader's Digest version of this complex story. A few years ago I had a 96 short box Silverado with a 4in 6 in drop kit, a very...
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    Truth be told, I don't even know. I have to get...

    Truth be told, I don't even know. I have to get back out to my son's garage and give a it a good look. Basically, I should look for some larger injectors to pop in there, like something from a 6.0 or...
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    I want to thank everyone for the input on this...

    I want to thank everyone for the input on this issue. A lot of great info is here. I believe the previous owner's capabilities are coming to light. Upon inspection (first chance I've had to get a...
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    Okay, I'll see what I can do about getting the...

    Okay, I'll see what I can do about getting the upstream 02s in. Now, just for future reference, let's say I needed to cut fuel across the board. How do I do that? With injector timing, or the VE...
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    Well, with the headers there are no cats, so the...

    Well, with the headers there are no cats, so the 02 data would be useless, right? I could disable them, yes. I'm not even sure about the pigtails for them.
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    So I should toss in a stock set of injectors, a...

    So I should toss in a stock set of injectors, a stock tune, and work from there. But, the 02 sensors are gone, also. Is thete a way to make it run this way?
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    appreciate the time and effort you guys have...

    appreciate the time and effort you guys have shared in this thread. But after reading through some of this stuff I realize that I have bitten off much more than I can chew. I am one of the most...
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    Well, if you have a tune that would run, would...

    Well, if you have a tune that would run, would you want to sell one? Not picky if the cam sounds nasty or not. Just want to safely and reliably drive the truck.
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    I don't know. He didn't tell me, but he said...

    I don't know. He didn't tell me, but he said "they'd been opened up a little". whatever that means.




    I know. AFR is is the problem. That's why its pig rich. I am totally lost at this. What I...
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    Oil is clean. Has full exhaust with long tubes....

    Oil is clean. Has full exhaust with long tubes. Getting the fuel right. Yeah, thats the issue.
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    Here is what the tune was when I read it as soon...

    Here is what the tune was when I read it as soon as I got it. It is PIG fat and takes about 4 gallons to drive about 8 miles. Fresh oil is black already.

    I'm not looking for fancy, high...
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    Help, please, for a total beginner?

    Last year I received a 2000 Silverado that the previous owner had messed with. Supposedly, a BTR Stage 3 cam, long tube headers, 4.10 rear and built trans. His tune will barely run. I would like to...
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    Thank you very much, sir! That makes things much...

    Thank you very much, sir! That makes things much easier!
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    Thank you for the prompt response. Do I just plug...

    Thank you for the prompt response. Do I just plug it in and hit the resync button on my desktop? That won't affect the laptop?
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    ? About altering files on another computer

    Hi folks, a total NEWB here! The hardware and laptop for tuning is at my son's house, 10 miles away, so I was wondering if it's possible to link the MPVI2+ to more than one computer. I'd like to...
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