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  1. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
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    1,453

    So using LTFT + STFT (math) how do I build the...

    So using LTFT + STFT (math) how do I build the graph?

    What do I use for the column axis and row axis to calculate my error?

    Thanks for the input.
  2. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
    Views
    1,453

    "And yes, if youre wanting to tune from fuel...

    "And yes, if youre wanting to tune from fuel trims just use the stock fuel trim histograms, but also make one that is LTFT+STFT in cutom math and use that as the "Z" axis instead of "STFT" or...
  3. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
    Views
    1,453

    My apologies. Let me clear it up. 2007...

    My apologies. Let me clear it up.

    2007 Chevrolet Silverado Classic 1500 2wd 6.0L

    This is a Gen 3 vehicle because it the old body style. It was a 4.3L swapped to a 6.0L LQ4 using the original...
  4. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
    Views
    1,453

    Are u talking about the STFT / STFT histogram? ...

    Are u talking about the STFT / STFT histogram?

    Thanks.
  5. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
    Views
    1,453

    I'm lookin to learn on a 2007 Silverado Classic...

    I'm lookin to learn on a 2007 Silverado Classic 1500.

    My truck runs in only short terms and VE. No MAF. I'd like to know how to use the short terms to adjust the VE Table.

    Thank you for the...
  6. Thread: Gen 3 VE Tuning

    by svl208
    Replies
    12
    Views
    1,453

    Gen 3 VE Tuning

    I have googled it! I googled it so much that it gets confusing! Lol!

    I google it and don't feel I'm getting a completed process and result with the process I'm looking for?

    I'd like and...
  7. Replies
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    I see how you seen the DTC's. I didn't see...

    I see how you seen the DTC's.

    I didn't see that DTC code pop up and it's current. I'll see what's up with that tomorrow.

    Thanks for you input Mr. ghuggins!
  8. Replies
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    How do u see the DTC's from a log?

    How do u see the DTC's from a log?
  9. Replies
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    Correct! Cleaning and flow testing does not...

    Correct!

    Cleaning and flow testing does not renew the injectors for wear and tear over 125k.

    Good news tho! I got this sum a b&%#! idling kinda alright and it does restart now! It's huge for...
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    Today I did another log to just see what happens?...

    Today I did another log to just see what happens? I can see the short term fuel trims are different. I do think it is an injector issue. I got a buddy at a GM dealership and all they have in stock is...
  11. Replies
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    Alright here's where it's at. My nephew knew...

    Alright here's where it's at.

    My nephew knew someone that flow tests injectors. Pulled all 8 and he took them.

    Before he took them I did some resistance test that was on alldata. Injectors were...
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    I'm goin thru options on injectors with my...

    I'm goin thru options on injectors with my nephew.

    Once new injectors are installed I will update this thread with the results.

    Thank you Mr. GHuggins
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    Do u think the fuel rail should be replaced as...

    Do u think the fuel rail should be replaced as well?

    Thank you.
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    Finally something I wanted to read! Lol! I...

    Finally something I wanted to read! Lol!

    I want it fixed right and I'm sure my nephew wants it fixed right.

    What do you suggest? The truck has roughly 125K.

    The 4 injectors on the bank 1 or...
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    Finally something I wanted to read! Lol! I...

    Finally something I wanted to read! Lol!

    I want it fixed right and I'm sure my nephew wants it fixed right.

    What do you suggest? The truck has roughly 125K.

    The 4 injectors on the bank 1 or...
  16. Replies
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    So it's not uncommon for this engine to have...

    So it's not uncommon for this engine to have injector issues?

    Is there a way I caused this? Or is it the nature of this fuel injection system?

    What could have caused this? How does this happen?...
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    Check this out! Swapped bank 1 and bank 2...

    Check this out!

    Swapped bank 1 and bank 2 precat O2 sensors and it looks like the problem stayed on the same side? I think? Lol.

    As for swapping injectors to confirm it's an injector problem?...
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    Sorry it took a bit to reply. As far as I know...

    Sorry it took a bit to reply.

    As far as I know there was no damage to the cats.

    Tomorrow I'm gonna swap O2's and see what happens? If it is O2 related that should hopefully change the bad fuel...
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    Alight after letting it sit for roughly 2 to 3...

    Alight after letting it sit for roughly 2 to 3 hours.

    The truck starts like it should. I was able to get a log. I attached it for review. I did turn off the the long turn fuel trims in the...
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    I got rail pressure as a pid. After it sits...

    I got rail pressure as a pid.

    After it sits for a while. Anywhere from an hour to four hours it will start. The truck Idles like caca (poop). Lol. Fuel trims are what u seen. Once it dies of it's...
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    Na man. U can give it a lil, 15%, 25%, 40%,...

    Na man.

    U can give it a lil, 15%, 25%, 40%, or any amount of throttle. Damn thing won't refire after it dies.

    My lil nephew burnt the starter cranking it so much and so long. Lol!

    What...
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    I did scan it earlier. DTC codes P015B O2...

    I did scan it earlier. DTC codes

    P015B O2 delayed response
    P015D O2 delayed response
    P06DD - This one clears once I can drive the truck.
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    I visually looked it over for vacuum leaks on the...

    I visually looked it over for vacuum leaks on the passenger side. I didn't see anything?

    I set up the scanner with mis fire pids. Plugged it in and started the truck. Pinche HPTuners VCM Scanner...
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    That's not was I was hoping to read. Lol! I am...

    That's not was I was hoping to read. Lol!

    I am getting blamed for it, not in a bad way but I did do the work. It's my nephews truck and weather it's his vehicle or anyone else's and I did the work...
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    2016 GMC Sierra Denali 6.2L Done by someone...

    2016 GMC Sierra Denali 6.2L

    Done by someone else:
    AFM-DOD Delete / .540 Comp Cam / Comp Cam Valve Springs / Current Tune

    Vehicle got DTC's P06DD

    Done by me:
    Replaced Oil Pump w/ OCV...
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