l5p
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Def pump replaced same issue
Replaced my def pump connector on pump itself had burnt marks harness did not. Same code and limited speed to 65 dealer said they'd warranty pump/heater but suggest I replace harness anyone else have this issue? Tia -
First time L5P owner. Code P0205
Goodmorning all, my name is Peter. I’m in the Wylie and Rockwall TX area and just purchased my 2018 L5P. I’m having minor issues already lol Just got my L5P, 2018 2500HD 130k miles. It’s throwing a P0205 Code ( 5th cylinder, passenger side open circuit on injector. ) Dash shows “71 miles... -
Please help! coolant leak!
Coolant all over front right engine area, wet bottom shield, pass side stabilizers and steering components.... Has not overheated, but loses coolant fast...added approx. half gallon to empty surge tank, drove home- approx. 12 miles, tank's already empty. Tried finding the source of the leak...- Pcfl.Vlly.DMaxxed
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- coolant leak help l5p leaking coolant
- Replies: 4
- Forum: L5P
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Increase Fuel Economy and Performance
I am sure that i am 1 of many to ask this. But I am thinking of putting in 1 of the following: - cold air - banks derringer - banks pedal monster - exhaust I will eventually have all, but what should the first choice be to achieve thread title? It is my daily driver and I also tow 13000lb 5th... -
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158 MPH Max speed?
I recently bought an 2017 L5P that had been deleted but possibly not done correctly. i have a service emission system, see owners manual code come up but no check engine light. it also says 70 miles until max speed of 158 MPH. Yes 158. local shop says its a tuning issue and will have to be...- bradendraper
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- l5p
- Replies: 6
- Forum: L5P
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21’ l5p 5500 cab and chassis speed limit and stabilitrack
Just bought a 2021 l5p 5500 cab and chassis this morning. Please tell me there is a work around for the 75mph speed cutoff. Need at least 10-15mph more Also any way to permanently turn stabilitrack off for speeds over 20mph . As soon as i take a turn anywhere over 20 it kicks in and dies on its...- dbakerservices
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- cab and chassis l5p speed limit speed limiter stabilitrak
- Replies: 4
- Forum: Mike L's Trans Talk
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Towing on 33x12.50r22 load range F
Currently i have a zone 5' lift on my 2018 gmc 2500HD L5P. I am running 37x13.50s on 22x12s with a 4" rear block. With a new addition to the family i am looking to lower the lift down as close to stock rear/leveled height as possible. To do this i am told i will need to run 33x12.50s to keep my... -
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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?.- Bradgrantham59
- Thread
- l5p lb7 lbz lml lmm
- Replies: 10
- Forum: Duramax Tuning, Logging, and Gauges