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  1. M

    LML towing Manual vs auto

    I have a 12 LML complete stock when I tow I always have the tow haul mode and exhaust brake turned and I have it in Manual 5 should I keep it in Manual mode or should I just put it in D and go? I'm in AZ and we do have some mountains. What is best D or Manual RV is maybe 10K on the high side.
  2. M

    looking someone to install DSP2 tunes

    I'm in North phoenix AZ and I'm looking for someone that is closer to me that is able to install Idaho Robs tunes. I am only going to go for a DSP2 and the switch is already installed just need someone to flash it. If this is not in the right forum please move it.
  3. M

    DPF delete recommendations

    I'm in Phoenix AZ anyone have recommendations on who to go see about DPF delete and a small upgrade. I've used the PPE standard at 90 HP increase with 160 Torque increase which is more than I need but I don't want to hurt my truck. I want to keep it for a good few years. Unfortunately Money...
  4. M

    Cigarette outlet voltage

    Ok so I got a strange one. I have an 08 LMM and over the weekend I removed my center console and installed my jump seat and I spliced into one of the factory cigarette plugs that the center console had and wired it into the Jump seat outlet. When i hooked it up and tested the voltage with a volt...
  5. M

    LMM: LMM Climate Control resetting

    I have an 08 LMM and I'm having issues on cold start days (not turned on for a day or so) and when I turn the truck on it "resets" the climate control back to 74 degrees with the AC on and the passenger side on. I'm not sure why it keeps resetting as if it's loosing it memory or something...
  6. M

    DPF delete questions / Programmer

    I think I am going to do a DPF delete on my LMM and put back to stock before emissions. Can anyone make recommendations on how to go about doing this. I have the PPE Standard programmer but that doesn't do the DPF delete What would I have to do? I'm not looking for huge HP gains. stock tune...
  7. M

    lmm injector cleaning

    So I'm thinking of doing a fuel injector cleaning and I purchased the cleaning solution from the dealer, but they told me after they sold me the solution that if I don't need to clean my injectors that I can ruin them is that correct I just figured that if they don't need to be cleaned that I...
  8. M

    Exhaust Smell Help

    Not sure if I m in the right thread. But fuel economy is lower and my exhaust smells like Elmers glue is that normal? any recommendations what I need to get looked at for my truck?
  9. M

    LMM Injector swap question

    On an LMM if you change out the injectors do you have to do a relearn on the ECM for it to recognize the new injectors? I had a dealership tell me that if you replace the injectors sometimes they need to go and reprogram or re-learn the new injectors per the serial number? To me that sounds...
  10. M

    Torque Pro app on LMM

    So I use a program called Troque pro on my android phone and I have a OBD2 bluetooth adaptor that I can connect to the ECU and monitor sensors but unfortunately some of the items that I do want to monitor I can’t . The real important ones that I would like to monitor I can’t find the correct PID...
  11. M

    LMM DPF regen

    Let me start with this I'm in Phoenix AZ so I can't delete my DPF due to emissions. I have 08 LMM CCSB, I'm having an issue where my truck is going into regen anywhere from as low as 60 -120 miles. I've been reading that short trips might be the cause but what is the definition or short trips...
  12. M

    LMM EGR question

    I live in Phoenix, Arizona (Maricopa county) and we have very strict emissions. What I wanted to know is 2 things would closing off the EGR cause any emissions issues? If I can't close off the EGR how can I clean that area or is it not worth it? 2nd question is I do can monitor the EGR and what...
  13. M

    LMM swap concole to Jump Seat

    I have an LMM 08 sierra SLT CC with the Bose sound system in it, I have been told I have some small subs under the dash. Is there anything else that I need to worry about when doing this swap once I find the Jump seat? I'm still trying to find the jump seat that has the compartment under the...
  14. M

    gauges vs programmer

    How much of a difference in temperature would you see in programmer vs gauges? I use a program called Torque pro and I can monitor my EGT was wondering how off that is. Reason I’m asking is I do tow and I have the PPE but I’ve been told by PPE not to use level 3 and 4 without gauges as I can...
  15. M

    service trailer brake system

    I have a 2008 LMM that is getting the display "service trailer brake system" when I start the truck I honestly don't even know where to begin looking any recommendations?
  16. M

    Engine Flush LMM

    I want to do an engine flush does anyone have any recommendations as to what I can put in the engine oil before I change it. I got a feeling I have some sludge or gunk and want to clean it out. I have 146K on the engine no major issues other then the computer is telling me I need to change oil...
  17. M

    Change oil indicator

    I have an 08 LMM, I just took a cross country road trip from Arizona to Michigan and I was going through my oil precentage very quickly. I left AZ had 48% left arrive in Oaklahoma was down to 22% 984 miles had Valvoline change my oil there reset computer to 100 % arrive in Michigan 1,164 miles...
  18. M

    LMM: New air box & filter recommendations.

    I've heard the the volant airbox is the best that is out there I wanted other oppinions other then the dealership. I'm looking for a closed box pref a dry filter. I have a tendency of still driving though nice big puddles so hence me wanting / needing the closed box. Currently I have a stock box...
  19. M

    New to diesels and wow bad fuel

    So a week ago I went camping I towed my 27 foot 5er got to my destination and home used about 1/2 tank of fuel but I had to go tow my dads van home that broke down. My 5er I figure weight about 6-7 K empty and it was very full on the way up and back down. I had to get some fuel before I went...
  20. M

    PPE programmer on LMM

    I have a question I just recently purchased a PPE tuner and I've been reading that its recommended that I get gauges to monitor the EGTS. My question is I have a Bluetooth OBD2 adapter and program (torque) and it has many items that I can monitor on the truck, I can monitor the Catalyst...
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