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Chevy / GMC Duramax 2017+ L5P Forums
2017-19 GM T-K2 Platform Powertrain
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F
Diesel Exhaust Fluid Quality Poor Message
Fsh4bass
3 d ago
15
995
6 h ago
by
mnoland2000
Metal in fuel filter
2XGroup
2 mo ago
2
33
2K
1 d ago
by
2XGroup
Random lope idle in gear at red light
2XGroup
2 d ago
1
86
2 d ago
by
firestopper36646
C
Copper sludge in fuel filter bowl
Cbrick
6 d ago
5
294
3 d ago
by
BoiseRob
New Duramax owner
Jscallywagg
9 d ago
13
445
7 d ago
by
HeavenlyLB7
Anyone happy with their L5P
mzodarg
Jun 19, 2018
10
11
12
223
89K
7 d ago
by
blythkd1
2019 l5p lost oil pressure / maybe a Ford or Ram ?
carhauler
1 mo ago
2
3
41
3K
9 d ago
by
Unit Injector
1
exhaust smell thru ac vents
1Pureadrenaline
Apr 12, 2019
15
4K
9 d ago
by
blythkd1
L
Squeaking Metal'ish Sound from Front of Engine
L5PSierraMK
5 mo ago
2
32
2K
10 d ago
by
TylerOndeck
1
DEF tank removal
1siklmm!
Sep 26, 2019
10
3K
11 d ago
by
redwngr
P
Reliability-only - Tuned LML vs Stock L5P
patriot07
5 mo ago
2
3
4
60
5K
11 d ago
by
mostcorey95
R
L5P Low coolant message
rayh698
Jul 11, 2018
2
3
50
40K
11 d ago
by
Ozarkwoods
J
P2481 code Exhaust gas temperature sensor circuit range code
Jason Horvatis
11 mo ago
11
1K
12 d ago
by
L5p2018
B
High idle
Boondocker850
17 d ago
2
30
1K
12 d ago
by
Boondocker850
A
Codes P0046 & P2599
Allan Layne
Aug 30, 2019
3
2K
12 d ago
by
Livewire
M
New to me 2019 2500HD!
mastercraftka
1 mo ago
10
715
13 d ago
by
poosniffer
A
Ticking sound when idling
atrbuchholz
Apr 28, 2019
2
24
16K
14 d ago
by
Dean E
G
P100b code
gilgens
3 mo ago
10
408
16 d ago
by
Thumpdog
R
Massive Whistle Under Load (Fighter Jet)
Ryno Construction
17 d ago
0
189
17 d ago
by
Ryno Construction
B
Stalled while spinning?
Bsimster
1 mo ago
16
623
18 d ago
by
Valve Stem
2018 L5P Injector Fail 5700 miles
LonghornTom
May 15, 2018
2
3
59
34K
22 d ago
by
BigD2020
P1476
henry42
Sep 1, 2019
4
2K
26 d ago
by
henry42
7
Check engine light, hope this isn't setting a tone.
77cruiser
1 mo ago
5
477
27 d ago
by
redwngr
T
Glow plug failure at 60K
Trucklover63
Oct 6, 2019
7
1K
27 d ago
by
monkeyman
L
White smoke from engine compartment
Lovinpotato
Dec 19, 2019
7
879
1 mo ago
by
Porters2008
Limp mode/power reduction- WHAT?
Carolina_coast99
Jul 2, 2019
13
4K
1 mo ago
by
Mike77449
M
P20EE and P20FE codes
mawufipa
1 mo ago
0
148
1 mo ago
by
mawufipa
T
L5p Derringer
turbo565
Mar 18, 2018
3
4
5
94
77K
1 mo ago
by
blythkd1
M
2018 L5P 3500 stumbles
mholman
May 3, 2018
2
3
41
18K
1 mo ago
by
Hannahjeff10
4:30 or 4:56 gear ratio ???
UTEngineer
2 mo ago
2
20
981
1 mo ago
by
FBJR
L5P oil filler location
sambor
Nov 19, 2018
7
6K
2 mo ago
by
sambor
S
Don’t waste money on cold air intake.
Sawtooth
4 mo ago
2
34
3K
2 mo ago
by
viper8315
T
2017 L5P DEF tank relocation
toolman35e
Aug 7, 2017
2
22
29K
2 mo ago
by
1quick1
Matt's L5P info dump...
M.A.M.
Feb 10, 2017
66
67
68
1K
347K
2 mo ago
by
M.A.M.
Oil level low message
viper8315
2 mo ago
5
382
2 mo ago
by
viper8315
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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.
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