lml

  1. R

    Need Help with codes

    2016 GMC 3500hd lml, t87 trans module. Had a ton of codes of Flashing a tune onto my truck. Now I’m having separate codes 4-5 days later I’m just wondering if it could be a bad time? Done with a EZ Lynk tuner.
  2. H

    Hello All! I just purchased a 2014 LML 3500 service body truck... need help

    So i purchased this truck from a friend, he took great care of this truck, It has 286K miles and runs great until I get it on a long highway hill or sometimes in the 70-80mph range is surges and you can see it in the gauges, RPMs and MPH go back and forth as it goes in and out of power.
    • handyrocky
    • Thread
    • 2014 hill climb lml power surge
    • Replies: 3
    • Forum: LML
  3. D

    Lbz vs lml

    Looking to buy my first duramax. Currently drive a 2015 f150 I have a few options that I can’t choose between, torn between buying a 2007 lbz with 202,000 miles, egr has a blocker plate, completely rust free, proven tunes on a 5 position switch, fresh paint job and bunch of new body parts. Truck...
  4. K

    Please help…lml with compound turbos and tuning issues

    Ok so here goes…so I bought a 2015 lml that has a sdp compound turbo set up full delete and a fass lift pump. it came with an auto agent ezlynk tuner. The previous owner gave his log in credentials to the dealership so they could hand over the vehicle to me in the app so I had the tunes. The...
  5. M

    Transmission problems -- P0722

    2015 duramax 2500HD high country. Code p0722 output sensor we replaced sensor and truck isn’t shifting out of first. And Speedo wasn’t working. Got speedo working but no shifting out of first No broken wires to tcm getting 9 volts at sensor and 9 volts at tcm. Cannot find any wiring schematics...
  6. J

    Lifting the cab

    I have never lifted the cab on a Duramax, but from what I hear, it isn't too bad. If someone could give me a step by step process on everything that needs to be removed/disconnected on a 2012 lml, that would be greatly appreciated.
  7. G

    Deleted LML suddenly quieter.

    Howdy, I have a 2015.5 LML. w/ S&B cold air intake, FASS supplementary fuel pump mounted mid chassis, 4” flopro full straight exhaust, trans tuning and sport economy tune. Running a single tune only. Late last week I noticed that my truck seems to sound considerably different than when I got...
    • Grainmasterc
    • Thread
    • high idle lml lml duramax problem problems quiet suddenly
    • Replies: 2
    • Forum: LML
  8. R

    LML, Fuel temp sensors

    I’m working on a 13 LML and I’ve replaced the fuel temp sensor on the injection pump but it still reads -40, is there any other fuel temp sensors?
  9. B

    2008 lmm tuning questions

    So I sold my 06 lbz got this lmm lift pump,4” deleted exhaust, dsp5, and a v2 autocal Idaho rob all this was done when I bought it thing is no position on the dsp5 feels any different?. Gas mpg sucks only 15mpg truck has a 6” rcd lift on 35s btw any idea if the tunes even are loaded?.
  10. Triple L

    LML Denali HD Sled Pull

    Hooked my Denali to the sled over the weekend... Took 5th place out of 47 trucks in the local 8200lb diesel class... I was quite impressed :D http://youtu.be/de2HPkbzJJw
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