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2017-19 GM T-K2 Platform Powertrain

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L5p mpg?
2 3
46
9K
 by Nitro Junkie
Oil Consumption at 23k
2
356
 by Joryjohnson
2017 L5P Running an OBDII Splitter with an Alarm??
0
43
 by Radley4d
L5p problems
4 5 6
103
174K
 by robrides
Matt's L5P info dump...
62 63 64
1K
314K
 by White lt
Duramax Supplemental Manual
17
3K
 by 407driver
Water in Fuel Service
11
7K
 by redwngr
This doesn’t sound like notorious “typewriter” tick
1
275
 by 407driver
Reduced Engine Power / Check Engine Light
5
800
 by MIkey52
Fuel filter leak
5
615
 by JEV41
Does changing to lower gears cause problems with L5P’s ?
10
623
 by UTEngineer
GM Recall # N192273630
2
419
 by sambor
2018 GMC Sierra 2500HD Denali 4x4 Crew Cab 6.6 L Diesel 42k miles
4
1K
 by redwngr
So how many are happy with their L5P?
12 13 14
275
162K
 by Sawtooth
Recall for Engine Block Heater
2 3 4
64
9K
 by allen8106
Low Fuel Rail Pressure
5
448
 by allen8106
Toyo or General tires
3
283
 by Old Man Bro
Carbon intake buildup
4
320
 by jagster936
2019 l5p DELETED
7
1K
 by Black HD
Fuel filter housing failure
9
730
 by monkeyman
Shit battery or what?
6
339
 by JETPIG
L5P RPM surge during decel
2
22
2K
 by mbroomhead
Bump Steer w/ Leveling Kit - Caused by Factory Tie Rod Angles ?
15
2K
 by duramaxen
reusing fluid for trans filter change
4
267
 by redwngr
How many miles on your l5p
2 3
45
10K
 by burbfixer
Lurching L5p
1
215
 by gyongue
Ticking sound when idling
14
6K
 by gyongue
Service Stabilitrack / Engine Power Reduced messages
12
873
 by MarkEHansen
Squeak/Rattle from driver front
1
153
 by Afflicted
2018 L5P 3500 stumbles
2
35
14K
 by Moosestache
Coolant leak
3
192
 by Dmax affair
Blocking/disabling EGR on L5P
11
13K
 by TbOnEseven8
Oil Filter Options?
2 3
48
23K
 by LMLLover
P2481 code Exhaust gas temperature sensor circuit range code
7
226
 by Jason Horvatis
DEF Solution
4
352
 by Wallmac
2017-19 GM T-K2 Platform Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.
14.8K posts
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