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LLY
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Duramax 6.6 Technical
Duramax Hard Parts
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LLY:
BPU List for LLY's
McRat
Dec 3, 2008
2
Replies
23
Views
54K
Sep 17, 2014
Black HD
B
Normal threads
Lbz heads on lly
Wyatt.bilodeau
Feb 28, 2023
Replies
16
Views
268
Mar 9, 2023
1FastBrick
P
Leaking injector or tube?
Peter K
Feb 7, 2023
Replies
9
Views
115
Feb 7, 2023
Peter K
P
M
no ecm/tcm communication
mhowald
Nov 28, 2022
Replies
13
Views
359
Feb 6, 2023
2004LB7
Lly coolant coming ftom around injector
bluecollar
Mar 7, 2013
2
Replies
30
Views
9K
Jan 29, 2023
DIESELMAFIAPER.LB7
Tuning idle hiss out
Wyatt.bilodeau
Jan 23, 2023
Replies
10
Views
174
Jan 24, 2023
Wyatt.bilodeau
J
LLY Duramax FICM
Joshguy03
Jan 10, 2023
Replies
2
Views
155
Jan 10, 2023
Ne-max
Whining noise
t.rider.013
Dec 31, 2022
Replies
14
Views
198
Jan 1, 2023
08lmm72mm
0
Glow plug module
t.rider.013
Dec 22, 2022
Replies
3
Views
184
Dec 26, 2022
ZeroGravity58
2004.5 block heater
t.rider.013
Dec 7, 2022
Replies
1
Views
101
Dec 8, 2022
2004LB7
W
2005 GMC Started fine moved around the yard then poured smoke out of exhaust "smelled like fuel" then shut down no start now
Walt171
Dec 5, 2022
Replies
7
Views
208
Dec 6, 2022
Dozerboy
B
05 LLY Timing Gear Carnage
Blackbird1877
Nov 26, 2022
Replies
7
Views
225
Nov 28, 2022
KyleC4
K
L
2006 c5500 topkick U0100 code
[email protected]
Nov 22, 2022
Replies
2
Views
119
Nov 22, 2022
Ron Nielson
R
3
Engine bay very hot
376zulu
Nov 9, 2022
Replies
8
Views
315
Nov 11, 2022
376zulu
3
M
LLY Ficm
mplecha
Sep 3, 2022
Replies
19
Views
1K
Nov 5, 2022
revolucien
R
L
05 LLY Stalling in wet conditions
LLY23
Oct 31, 2022
Replies
1
Views
176
Nov 1, 2022
2004LB7
L
Lb7 Ficm to a LLY Motor
lly1998
Aug 5, 2022
Replies
2
Views
280
Oct 22, 2022
turbovan
T
Error code meanings
t.rider.013
Oct 20, 2022
Replies
2
Views
163
Oct 21, 2022
Bdsankey
2004.5 white smoke issue
t.rider.013
Oct 18, 2022
Replies
11
Views
224
Oct 19, 2022
Bdsankey
Soft C0035, C0055 codes as soon as you turn the key on.
vern650
Oct 8, 2022
Replies
1
Views
128
Oct 8, 2022
Ron Nielson
R
D
Fuel pressure regulator
dproffitt
Aug 28, 2022
2
Replies
20
Views
529
Sep 24, 2022
dproffitt
D
C
iat sensor
Childsplaydooley
Sep 22, 2022
Replies
4
Views
139
Sep 22, 2022
Childsplaydooley
C
LLY:
No Power Black Smoke at Random
ShredLordXx
Sep 11, 2017
2
Replies
23
Views
6K
Sep 18, 2022
08lmm72mm
0
D
lag in acceleration on my LLY
DieselD1
Aug 23, 2022
Replies
4
Views
178
Aug 23, 2022
2004LB7
J
LLY Crank/no start
Jstahl71
Aug 16, 2022
2
Replies
31
Views
639
Aug 19, 2022
JoshH
LLY fuel pressure issue
ikeG
Aug 11, 2022
Replies
4
Views
267
Aug 15, 2022
ikeG
M
05 LLY, remand long block, sitting 2 years, new injectors etc. Crank no start.
Mtnchevy
Jul 26, 2022
Replies
9
Views
486
Aug 7, 2022
West
W
0
Oil pressure drops to 0 and triggers alarm in 05 2500 Duramax
05 Fifth Wheeler
Jul 19, 2022
Replies
10
Views
318
Jul 20, 2022
2004LB7
M
Strange cranking habits
Mike66
Jul 16, 2022
Replies
4
Views
199
Jul 16, 2022
dndj
H
Baffled by P0202, 03, 05, 08 and P2149
Hoser
Dec 9, 2020
Replies
12
Views
881
Jul 14, 2022
AndreIgle
A
lly ficm repair suggestions
ChevyMax56
May 16, 2022
Replies
2
Views
625
Jul 2, 2022
Ron Nielson
R
D
LLY No Crank, No Communication after unhooking batteries
dtreid
Jun 30, 2022
Replies
13
Views
204
Jul 1, 2022
dtreid
D
D
Rattle at idle
DAKOTAKIDD
Nov 28, 2021
Replies
13
Views
1K
Jun 13, 2022
TheBac
J
Boost Leakage and Compression test results
JMM776
Jun 8, 2022
Replies
7
Views
329
Jun 9, 2022
JMM776
J
Possibly blown head gaskets
Graden56
May 5, 2022
Replies
2
Views
251
May 6, 2022
Graden56
P
(SOLVED) Weird fuel pressure symptoms
PressPause
Apr 30, 2022
2
Replies
20
Views
2K
May 3, 2022
dndj
T
Piecing together an LLY, where is the wire connector the fuel pressure sensor?
turbovan
Apr 26, 2022
Replies
0
Views
240
Apr 26, 2022
turbovan
T
Rolled my truck.
baggedLB7
Apr 23, 2022
Replies
9
Views
698
Apr 26, 2022
baggedLB7
D
06 express van throwing codes going into limp mode
Dvanski
Apr 24, 2022
Replies
0
Views
154
Apr 24, 2022
Dvanski
D
New code thrown
Graden56
Apr 23, 2022
Replies
1
Views
194
Apr 24, 2022
Ron Nielson
R
8
2004 LLY Crank no start need help!
802duramaxlly
Apr 4, 2022
Replies
6
Views
546
Apr 18, 2022
79LT1Monte
Need ideas for more power
Skummz
Mar 29, 2022
2
3
Replies
43
Views
2K
Apr 2, 2022
ZeroGravity58
8
P0089 and Cp3 humming
802duramaxlly
Mar 26, 2022
Replies
3
Views
408
Mar 26, 2022
TheBac
G
LLY Rear Engine Coolant Leak
Gkarr22
Mar 11, 2022
Replies
0
Views
234
Mar 11, 2022
Gkarr22
G
T
LLY P0089
Tunamaxx
Feb 18, 2022
Replies
3
Views
502
Feb 18, 2022
Ron Nielson
R
Cranks for 2 seconds and then quits
Graden56
Feb 2, 2022
2
Replies
39
Views
1K
Feb 18, 2022
TheBac
Won't start
Alancruz69
Feb 11, 2022
Replies
1
Views
276
Feb 11, 2022
036.6turbo
E
No start Lly
Edv2003
Jan 18, 2022
Replies
7
Views
579
Jan 19, 2022
Edv2003
E
water pump
Cajunaman
Jan 9, 2022
Replies
5
Views
605
Jan 10, 2022
MarkBroviak
EGR
Harshman
Jan 4, 2022
Replies
2
Views
350
Jan 5, 2022
TheBac
T
Don’t know where this plug goes?
Tunamaxx
Dec 31, 2021
Replies
12
Views
519
Jan 1, 2022
Tunamaxx
T
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Duramax 6.6 Technical
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