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GM Diesel Engines
Duramax Fifth Generation: 2011-2016 (LML)
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LML Get To Know Your Truck Brochures
Diaric
May 21, 2015
Locked
1
18K
May 21, 2015
by
Diaric
Info:
Sticky
The LML FAQ (Frequently Asked Questions)
Tom S.
Apr 21, 2015
Locked
3
82K
May 19, 2015
by
Tom S.
Info:
Sticky
DEF Related issues welcome in this engine forum.
PrivatePilot
Feb 1, 2012
Locked
0
26K
Feb 1, 2012
by
PrivatePilot
P
Remote start wont start with check engine
Pgo
1d ago
0
88
1d ago
by
Pgo
J
2011 Duramax reduced engine power
JTWHIC
Mar 8, 2024
2
129
Mar 9, 2024
by
JTWHIC
M
2016 GMC 2500 HD. No fuel when priming
Mattroy
Mar 2, 2024
0
86
Mar 2, 2024
by
Mattroy
K
LML:
Screw/Bolt for Air Filter Cover
KPSmithSr
Sep 14, 2018
5
8K
Feb 22, 2024
by
Dedirks
G
2011 LML Injector/Fuel Rail pressure
garyt078
Feb 19, 2024
6
538
Feb 19, 2024
by
navybuff
B
Question:
Poor DEF quality issue. Need help
BajaBart
Feb 12, 2024
4
331
Feb 19, 2024
by
OkDually
L
Question:
2013 LML cranks but won’t start
LanceLloyd
Feb 17, 2024
2
326
Feb 17, 2024
by
LanceLloyd
J
Coolant loss 2012 lml
Joeb1983
Feb 16, 2024
2
262
Feb 16, 2024
by
Joeb1983
D
Squealing noise on driver side under hood not a belt
docskibum
Jan 23, 2024
4
346
Feb 10, 2024
by
redwngr
K
duramax senior
kelder9030
Feb 10, 2024
0
226
Feb 10, 2024
by
kelder9030
B
Help
Bgreve
Feb 2, 2024
12
560
Feb 10, 2024
by
heymccall
M
Minimaxx
Mayberry
Feb 8, 2024
2
196
Feb 8, 2024
by
Mayberry
T
P0191 code
Tfreeman
Feb 3, 2024
1
228
Feb 3, 2024
by
OkDually
D
Help Pick Scan toll for DPF/def/Nox issues!
dichdoc
Feb 3, 2024
1
205
Feb 3, 2024
by
OkDually
S
HELP - LML sudden crank but no start
Sarcazmo69
Jan 24, 2024
4
374
Jan 28, 2024
by
CamoMurph
J
Gauges and Transmission acting crazy
jminter6001
Jan 27, 2024
1
147
Jan 27, 2024
by
OkDually
M
2015 electrical problems, won't crank, clicking only, dead short???
MikeMan003
Jan 15, 2024
10
356
Jan 26, 2024
by
MikeMan003
C
Question reg Flywheel housing/flexplate
Chapman27
Jan 24, 2024
1
172
Jan 25, 2024
by
johnH123
J
Glow Plug woes
jasper2222
Sep 7, 2023
9
1K
Jan 25, 2024
by
campjck95
N
Vibration/rattling noise at idle
NPB
Jan 24, 2024
1
144
Jan 24, 2024
by
OkDually
H
Question:
Glow Plug Trick
HogFan07
Jan 25, 2021
7
5K
Jan 19, 2024
by
HogFan07
R
Code P0420 - indirect injector
rdavis
Dec 12, 2023
4
635
Jan 11, 2024
by
macdaddyof9
Question:
Belt Diagram...
GreenEggs&Sam
Dec 28, 2023
4
1K
Jan 11, 2024
by
redwngr
Batteries
harveyk14
Dec 27, 2023
4
423
Jan 11, 2024
by
heymccall
B
Question:
2015, EFI live, reduced power after dead batteries, no codes!
bob1121
Dec 26, 2023
0
233
Dec 26, 2023
by
bob1121
B
Question:
CP3 surge
b-mar
Nov 9, 2023
2
659
Dec 26, 2023
by
b-mar
R
Question:
Coolant topup
Rockstarjerry
Dec 16, 2023
1
346
Dec 18, 2023
by
Dmax Dually
Z
Cab and Chassis Fuel tank transfer pump always on
zigs
Dec 12, 2023
0
186
Dec 12, 2023
by
zigs
P
Question:
Tuner and bad ecm
Pipeliner798
Dec 9, 2023
0
298
Dec 9, 2023
by
Pipeliner798
G
Questionable, problems.
GradallNick..
Nov 25, 2023
3
401
Dec 3, 2023
by
cookie man
TCM BACKORDERED???
harveyk14
Sep 15, 2023
11
2K
Dec 1, 2023
by
Kennedy
B
PO420 help trouble shooting
barryA
Nov 18, 2023
3
651
Dec 1, 2023
by
Kennedy
S
DPF Related question
shanetherider
Nov 28, 2023
1
493
Nov 28, 2023
by
OkDually
Question:
All-new engine is "farting" and shuddering under load
albinorhino2011
Jul 23, 2023
20
1K
Nov 26, 2023
by
albinorhino2011
Y
Intermittent start and die, and increased start times when warm...
yitzac1990
Jul 14, 2023
7
824
Nov 23, 2023
by
yitzac1990
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Duramax Fifth Generation: 2011-2016 (LML)
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Discuss the fifth generation (2011-2016) of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
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