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GM Diesel Engines
Duramax Sixth Generation: 2017-2019 (L5P)
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Sticky
Loose Intercooler/Intake Clamps
Lgowens2
Sep 17, 2017
5
8K
Oct 30, 2018
by
Nick93
Sticky
DEF Shelf Life & Fluid Quality
OkDually
Aug 27, 2017
Locked
0
8K
Aug 27, 2017
by
OkDually
H
Dead Glow Plug
HOU_DENALI
Feb 27, 2019
2
24
7K
5 d ago
by
OkDually
M
New owner, cold weather question
mpjman
18 d ago
8
503
7 d ago
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97chevor
Question:
Coolant low when cold and full when warm?
BrennanK
17 d ago
8
629
8 d ago
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BrennanK
M
Should i even own a diesel????
mpjman
16 d ago
2
29
2K
10 d ago
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redwngr
C
P041E Code
Chevy454
11 d ago
1
133
11 d ago
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OkDually
B
Duramax l5p vibration
BC 3500 HD
27 d ago
3
432
20 d ago
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Durabiopwr
L5P Monitors to Force Mobil Regen?
nutdriver
30 d ago
10
1K
20 d ago
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FreedomOne
R
5th wheel towing capacity for 2019 2500 HD CC 6.6
rickieracer
Jan 14, 2020
2
32
7K
20 d ago
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heymccall
T
Question:
2018 L5P Cruise control
thebassman
4 mo ago
13
2K
1 mo ago
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Stuville77
Question:
P20EE and P20FE codes
Bigfish06
1 mo ago
1
225
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OkDually
L
Question:
2019 L5P Throwing codes
Landoh17
2 mo ago
15
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Landoh17
M
Question:
Whine during acceleration
mpjman
1 mo ago
1
235
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sargenthp
N
Brass shavings in fuel filter, first change - 2019 2500
nfair
1 mo ago
6
1K
1 mo ago
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rob1
X
Error Code P01D1
X96mnn
Nov 24, 2019
16
4K
1 mo ago
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Jgmooney
DTC P1338
D.Camilleri
Sep 10, 2019
17
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Khaynie7
M
DEF overconsumption 2019 Silverado HD
mrclean235
Oct 22, 2018
2
30
14K
2 mo ago
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Lennox69
R
Unsolved Engine Noise
Radosilver
Jul 14, 2017
2
24
12K
2 mo ago
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sledman
Vibration under acceleration around 2000-2250 rpm...
RaymondL5P
2 mo ago
11
517
2 mo ago
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redwngr
S
random alarm and horn honking
ShawnL5P
8 mo ago
7
2K
2 mo ago
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Sam I am
L5p squealing intermittent
tracer2500
Dec 15, 2019
5
1K
2 mo ago
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-DC-
N
Lost #4 injector on LP5
Nosmokelml
Feb 9, 2018
2
3
4
64
38K
2 mo ago
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FreedomOne
CenPeCo Oil
Mike2255
2 mo ago
1
505
2 mo ago
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redwngr
M
Question:
Glow plugs
maddogmech
11 mo ago
6
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3 mo ago
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Wazooz2424
M
Question:
New owner questions
mpjman
3 mo ago
2
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mpjman
T
Safe EGT levels
thebassman
3 mo ago
7
912
3 mo ago
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ALLY Cat
Question:
What is the trick to disconnecting the MAP sensor harness connector on L5P
nutdriver
4 mo ago
13
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3 mo ago
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nutdriver
L
Question:
Constant Cricket Squeal Noise at Idle - Not Accessory Belt Induced
L5PMK
5 mo ago
4
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4 mo ago
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L5PMK
B
Block Heater Recall
Busdriver47
9 mo ago
19
3K
4 mo ago
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SonnyAK
Question:
Reduced Engine Power , wife stuck in Florida
Snap On Ron
4 mo ago
3
1K
4 mo ago
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redwngr
D
L5P:
Water in Fuel Warning:2019 Silverado 2500
Desertcrawler
Sep 18, 2019
2
25
9K
5 mo ago
by
nutdriver
S
Engine light P2A00
sumrmarv
5 mo ago
1
498
5 mo ago
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OkDually
L5P:
Losing Coolant
Silver Bullet
Mar 1, 2019
16
8K
5 mo ago
by
rob1
Question:
L5P cold air intakes
MoricleLMM
7 mo ago
5
2K
5 mo ago
by
sledman
M
L5P questions
mpjman
6 mo ago
3
1K
6 mo ago
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Mikey52
Is my Recent L5p purchase tuned?
Big D Diesel.
6 mo ago
7
2K
6 mo ago
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rob1
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Duramax Sixth Generation: 2017-2019 (L5P)
Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
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