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LLY: truck cranks for like 5-6 before it will start issue, WHY?
it cranks quite a bit longer then normal, it will start everytime just takes awhile, letting it sit for a couple days doesn't effect how long it cranks to start, we rebuilt the fuel filter head, one thing I noticed before and after the filter rebuild is that the primer pump never hardens up, any... -
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LML fuel return line regulator issues
so on the lml the injectors need to have I think like 150 psi in the return lines leaving injector to run right, has any one dealt with the regulator going bad we have been chasing a power issue after we get over 2200-2400 rpms, the fuel system shows the fuel rail pressure and desired fuel rail... -
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LML Someone to read data logs of engine power issue I took
Have an lml that's been loosing power over 2200 rpm. Looking for someone willing to check through the data logs I took. Text or pm me. 3608153198 thanks Kevin- kvw4x4
- Thread
- Replies: 1
- Forum: Duramax Tuning, Logging, and Gauges
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LML falling on its face, losing all power at around 22-2300 rpm,
this truck has been a project and now I need more help if you keep the rpms below 2200-2300 rpm it will run fine, if you put it in park and rev it up it goes as high as you want without issue, but if you go over the 2200-2300 rpm range will driving it completely loses all power, the truck has... -
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LML oil leaking from drivers side intercooler boot
this truck has been a project and seems to finally be running like a top but it keep loosing some oil from boot between intercooler and intercooler pipe "this intercooler pipe is aftermarket" lower driverside, we have cleaned and and redone it a couple times including replacing boot, one thing... -
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LML Lml fuel rails and can they be flushed or cleaned out?
Getting ready to redo a lml fuel system after cp4 failed. Got replacement injectors and cp3 with conversion. Not to worried about cleaning the rest of the system other then the fuel rails. I really don't know what's involved inside them. I guess my question is can I clean the fuel rails to... -
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LML Lgh in a lml. Cranks but won't start
To make a short story long. We bought a 2014 duramax with blown motor, with egr def delete. We bought a motor I was told it was a lml. Ended up being a lgh, out of a cab chassis 2013, everything matched up other then one egr plug. But being as egr is deleted it shouldn't be a huge deal, the... -
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LML Lgh van motor in lml truck help advice
So we bought a 2014 with 130k miles. Beautiful truck. Had efi live and dpf delete. Blew motor up. Been looking for a lml. A local wrecking yard has a complete factory lgh van engine brand new, I have a complete motor I can swap parts from. What will I have to switch accross from old motor? Can I... -
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LB7: duramax has a bunch of blowby, surges while idling and smokes from under hood?
picked up a 2002 project truck, seems to run decent but has blowby, enough to lift filler cap up, I ran balance rates on injectors they seem pretty good, truck always starts fine then starts smoking from under hood mainly out of blowby hose, not positive but it looks like there is maybe diesel... -
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Lb7 injector tested here are results, what do they mean?
Had 8 lb7 injectors tested by a Bosch service center. What does it mean?? -
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Allison 5sp: seems hestitant when you get on the pedal?
we bought a 2003 duramax 2wd with 110k miles that had a bad motor, we swapped in a complete replacement lb7 engine, tranny shifted good through gears goes good when you ease into pedal but when you really step on the pedal it kinda hesitates for a second or 2, Any thoughts? tranny level is...- kvw4x4
- Thread
- Replies: 5
- Forum: Mike L's Trans Talk
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Allison 5sp: 2003 2wd
we bought a 2003 duramax 2wd with 110k miles that had a bad motor, we swapped in a complete replacement lb7 engine, tranny shifted good through gears goes good when you ease into pedal but when you really step on the pedal it kinda hesitates for a second or 2, Any thoughts? tranny level is...- kvw4x4
- Thread
- Replies: 0
- Forum: Mike L's Trans Talk