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Duramax 6.6 Technical
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LMM:
BPUs for the LMM
TheBac
Mar 28, 2017
Replies
12
Views
3K
Apr 21, 2017
Bulldogr6
Normal threads
Rebuild????
BigTex1968
Yesterday at 6:13 PM
Replies
4
Views
46
Yesterday at 9:45 PM
darkness
B
LMM Cranks but won’t start
Boots23954
Mar 16, 2023
Replies
1
Views
65
Mar 16, 2023
2004LB7
D
08 lmm no fuel pressure
dirtracerwill
Mar 6, 2023
Replies
2
Views
63
Mar 6, 2023
2004LB7
O
Head Gasket Job LMM
owntheroad
Feb 22, 2023
Replies
11
Views
181
Feb 24, 2023
turbovan
T
R
Cruise control works when it want's to...so annoying
reese600
Feb 16, 2023
Replies
4
Views
105
Feb 22, 2023
JoshH
L
Broken ground on bulkhead
LongDogRacing
Feb 19, 2023
Replies
4
Views
78
Feb 20, 2023
DAVe3283
M
Intake Issue
MaxComp88B
Feb 16, 2023
Replies
6
Views
183
Feb 16, 2023
MaxComp88B
M
M
S and B or HSP
MaxComp88B
Feb 6, 2023
Replies
14
Views
210
Feb 7, 2023
Dozerboy
W
"engine power reduced" with no engine light or code, possible tuning issue?
westonb
Jan 2, 2023
Replies
4
Views
89
Jan 2, 2023
08lmm72mm
0
T
LMM code P0299
tony1224
Dec 23, 2022
Replies
6
Views
157
Dec 23, 2022
Ron Nielson
R
LMM bad vibration
PattyWgnOwen
Aug 6, 2014
2
Replies
23
Views
7K
Dec 17, 2022
TheBac
T
2007.5 silverado 2500 with multiple codes
Toutle Duramax
Dec 12, 2022
Replies
5
Views
172
Dec 13, 2022
08lmm72mm
0
0
Blockheater tripping gfci
08lmm72mm
Nov 28, 2022
2
Replies
22
Views
533
Dec 4, 2022
Dozerboy
N
Lost throttle when battery died
Not a mechanic
Nov 25, 2022
Replies
7
Views
145
Nov 27, 2022
Not a mechanic
N
Changing setup, need opinions.
ZeroGravity58
Aug 13, 2022
Replies
13
Views
573
Nov 8, 2022
Daddy Deezldoo
D
M
Intake heater delete
MaxComp88B
Oct 20, 2022
Replies
3
Views
112
Oct 20, 2022
gmduramax
O
LMM Headache
ovnttim
Oct 10, 2022
Replies
9
Views
193
Oct 10, 2022
ovnttim
O
G
Lmm extra bolt help!
ghostridermb
Oct 4, 2022
Replies
4
Views
178
Oct 5, 2022
08lmm72mm
0
Help with engine power reduced
dinkrdsw313
Sep 26, 2022
2
Replies
24
Views
553
Sep 29, 2022
2004LB7
R
After code p2563
Razerface
Sep 11, 2022
Replies
10
Views
297
Sep 26, 2022
Razerface
R
M
Next Mod Help
MaxComp88B
Sep 11, 2022
2
Replies
28
Views
489
Sep 13, 2022
08lmm72mm
0
C
2007 Silverado 2500 HD Crank No Start
[email protected]
Jul 28, 2022
2
Replies
21
Views
607
Sep 5, 2022
[email protected]
C
Backwards DPF?
2004LB7
Feb 1, 2022
Replies
8
Views
691
Aug 30, 2022
2004LB7
M
Building Truck for 650hp
MaxComp88B
Aug 17, 2022
2
Replies
37
Views
1K
Aug 26, 2022
Bdsankey
Need parts source for boots
dzimbric
Aug 5, 2022
Replies
5
Views
233
Aug 6, 2022
TheBac
Engine maintenance
dzimbric
Jul 28, 2022
Replies
2
Views
179
Jul 29, 2022
dzimbric
Stumped: LMM crank no start
JoshH
Jul 21, 2022
Replies
12
Views
541
Jul 28, 2022
dzimbric
D
Diesel8
Diesel8
Jul 19, 2022
Replies
7
Views
306
Jul 19, 2022
Diesel8
D
A
LMM Coolant leak at oil cooler
adam9716
Jul 13, 2022
Replies
3
Views
371
Jul 13, 2022
08lmm72mm
0
C
Howdy Yall, looking for recommendations for LMM ECM expertise in the Weatherford Tx/Fort Worth area.
ChasFTW
May 27, 2022
2
Replies
31
Views
1K
Jun 22, 2022
Ron Nielson
R
D
Insane electrical issues
DD_CloutGod
Jun 5, 2022
Replies
4
Views
173
Jun 5, 2022
2004LB7
M
Exhaust leak
markgaines122
May 10, 2022
Replies
1
Views
191
May 10, 2022
2004LB7
Loss of comm. with ECM and tcm?
Dmax87
Nov 20, 2014
2
Replies
25
Views
23K
May 4, 2022
BigSexy
B
D
LMM cp3 making noise?
dominator200
Apr 27, 2022
Replies
6
Views
258
Apr 27, 2022
dominator200
D
M
Y Bridge
MaxComp88B
Apr 6, 2022
Replies
7
Views
387
Apr 6, 2022
BLACKMAX1
M
LMM "Home Mods"
MaxComp88B
Mar 31, 2022
Replies
4
Views
362
Apr 5, 2022
gmduramax
W
Looking for ECM
WHITE CLOUD
Mar 11, 2022
Replies
8
Views
446
Mar 16, 2022
Bdsankey
Alternator wire fusible link 2007.5 LMM
Whiskyshark
Mar 2, 2022
Replies
17
Views
552
Mar 4, 2022
Ron Nielson
R
Lmm GPCM delete
Dante2795
Mar 2, 2022
Replies
4
Views
304
Mar 3, 2022
Ron Nielson
R
0
...
08lmm72mm
Feb 28, 2022
Replies
0
Views
207
Feb 28, 2022
08lmm72mm
0
Billet Injector hold downs???
ZeroGravity58
Feb 20, 2022
Replies
6
Views
363
Feb 22, 2022
ZeroGravity58
K
2008 gmc 6.6 died, no start
keonj
Jan 30, 2022
Replies
5
Views
213
Jan 30, 2022
2004LB7
HELP No Shift Indicator Line, No Crank No Start
07SilveradoHD
Jan 16, 2020
2
Replies
25
Views
8K
Jan 10, 2022
drobin
D
F
LMM engine wiring harness to chassis wiring harness connector views
Fredy
Dec 31, 2021
Replies
1
Views
952
Jan 1, 2022
Ron Nielson
R
R
DPF damage
rickr2007
Dec 22, 2021
Replies
14
Views
1K
Dec 29, 2021
rickr2007
R
D
Help With LMM Injectors
Dale08
Dec 4, 2021
Replies
3
Views
370
Dec 6, 2021
Nate’s Dmax
PCV HOSE Size/ Pressure
ZC-DMAX-LMM
Nov 16, 2021
Replies
10
Views
660
Nov 17, 2021
juddski88
C
Fuse Box Electrical Fire ( almost)
chasten
Nov 6, 2021
Replies
16
Views
733
Nov 14, 2021
dndj
Lmm Oil cooler coolant line
ZC-DMAX-LMM
Oct 24, 2021
Replies
1
Views
184
Oct 25, 2021
gmduramax
K
P0102 Wiring good, replaced MAF, still reading 0.00 g/s
KillyMcGee
Oct 14, 2021
Replies
15
Views
710
Oct 15, 2021
2004LB7
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