Duramax Diesels Forum Truck of the Week
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Old 03-02-2018, 01:23 PM
Big_Mel Big_Mel is offline
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I have a 2002 LB7 Crewcab Dually. Getting P0700, P0741 codes. Not running it hard by any means. Where do I start? Tracing wires? Replace Solenoid?
Thanks
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Old 03-02-2018, 01:52 PM
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Mike L is my role model. I want to be like him when I grow up.
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02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

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Old 03-02-2018, 02:28 PM
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S Phinney S Phinney is offline
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That means the torque convertor clutch is not working properly. No torque convertor lockup. Do you by change have Tony’s lockup box on it and running it unlocked?


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03 GMC 4x4 CC/SB Intake, Dual Exhaust, built motor by Me, Cognito Kryptonite Suspension upgrades, Custom Traction Bars by Me, Suncoast Trans, 1055-1 Convertor, Two AirDog II 200's, Billet Sump, Venom Tuning AKA Me, Custom Fabbed Fuel system, Flexlite Fans, Best Time to date 7.14 at 98.21 mph 1211.8HP 1954.5 FT/Lb torque
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Old 03-02-2018, 03:55 PM
Big_Mel Big_Mel is offline
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Nope
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Old 03-03-2018, 10:08 AM
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Originally Posted by Big_Mel View Post
I have a 2002 LB7 Crewcab Dually. Getting P0700, P0741 codes. Not running it hard by any means. Where do I start? Tracing wires? Replace Solenoid?
Thanks
Need a lot more info.
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Old 03-03-2018, 10:15 AM
Big_Mel Big_Mel is offline
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Need a lot more info.
Trans is running at 170-190 degrees. What other info you need?

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Old 03-03-2018, 10:17 AM
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What is done to the truck? Tunes? Mileage?
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Old 03-03-2018, 12:13 PM
Big_Mel Big_Mel is offline
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What is done to the truck? Tunes? Mileage?
200k. Just got EFI live and sac injectors this week but had the codes before the upgrade

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