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Type: Posts; User: Xr650jkallen

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  1. Replies
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    You can command a leaner stoich by taking some...

    You can command a leaner stoich by taking some fuel out of your open loop eq table, but I wouldn't mess with that table without a wideband. Personally, I try to tune my ve and maf as close to 0%...
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    Where is your maf sensor located? If it's really...

    Where is your maf sensor located? If it's really close to the throttle body, the low speed reading wont be a accurate.
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    My throttle body is cable driven. If I want it to...

    My throttle body is cable driven. If I want it to pop on the 1-2 shift it just takes a quick throttle lift. I have my trans tablets pretty aggressive on the downshift and I dont lock my torque...
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    This will shorted the lifespan of your cats if...

    This will shorted the lifespan of your cats if you still have them.
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    On my 4l60 truck I ran a log and did some runs...

    On my 4l60 truck I ran a log and did some runs taking note on what cells where getting hit on decel. I then changed those cells to 10 degrees on both high and low octane timing tables. It pops like...
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    What do you have your cell hits set at? Do you...

    What do you have your cell hits set at? Do you have any filtering?
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    Check out youtube channel Goat Rope Garage. Tons...

    Check out youtube channel Goat Rope Garage. Tons of info.
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    Well I figured my STFT problem out. My MAF needed...

    Well I figured my STFT problem out. My MAF needed to be retuned. It still isn't perfect but I am headed in the right direction. Here is my latest tune and log. If someone would take a look at the log...
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    So I am chasing my tail. The truck runs good as...

    So I am chasing my tail. The truck runs good as it is, I was just washing, rinsing and repeating just because i was bored.
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    GM's stock calibration is based on a standard set...

    GM's stock calibration is based on a standard set for a particular MAF sensor given to them by the manufacturer. They are electronic sensors and I am sure that they are not all exactly the same....
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    Here is a log from my drive to work today. I...

    Here is a log from my drive to work today. I adjusted my open loop eq ratio and it didn't seem to have any effect on my STFT.
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    https://youtu.be/3vIcs_4X31c this video explains...

    https://youtu.be/3vIcs_4X31c this video explains it really well.
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    Create a new folder on your desktop and download...

    Create a new folder on your desktop and download the files from your email. Then open the scanner and go up to layout>open layout. Find the files you downloaded and open them. You will have to open...
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    I did have fuel trims and closed loop disabled. I...

    I did have fuel trims and closed loop disabled. I bet open loop eq is the issue. I knew it had to be something simple. I will give that a try and see if my stft are better. Thank you for the very...
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    Why are my STFT's off?

    Basically stock 01 GMC Sierra 5.3 2wd ext. cab. Has an intake, no cats with stock muffler. I have logged and corrected my MAF, logged my VE multiple times using a PLX wideband. I tune in lambda and I...
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    I haven't ran a log lately, but I'm pretty sure...

    I haven't ran a log lately, but I'm pretty sure when my torque converter unlocks, my vacuum changes and it no longer meets what I have it set at to engage. I think I unlock my converter at 45
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    After watching how my dfco works. It does seem...

    After watching how my dfco works. It does seem like it only works when the converter is locked
  18. I chased and chased kr on my 01 sierra 5.3. Mine...

    I chased and chased kr on my 01 sierra 5.3. Mine ended up being the cats clogged up.
  19. Can you hear it pinging? If so what side?

    Can you hear it pinging? If so what side?
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    Bump

    Bump
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    Help with rich on decel

    I have a 01 sierra 5.3 2wd, the only mods are a cai, no cats and a 3200 stall. I have tuned my ve table multiple times, the truck runs great and pulls hard. The issue I cant resolve, and really don't...
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    I grabbed a plx wideband about a month back. So...

    I grabbed a plx wideband about a month back. So far I really like it. It was easy to setup in Hp tuners and seems to react pretty quick.
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    Heres mine that I use for ve tuning.

    Heres mine that I use for ve tuning.
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    Would it be ok to change the cot max to match my...

    Would it be ok to change the cot max to match my max commanded pe afr?
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    WOT commanded afr changing

    I have a 01 sierra 5.3 2wd with only a 3200 stall and a single flowmaster exhaust. While running a log this morning in sd mode, I noticed at about 12:18 in my log my commanded afr changed from 12.32...
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