Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
Home
How To
Tech
Forums
New posts
Search forums
What's new
New posts
New profile posts
Latest activity
New showcase items
New showcase comments
Members
Current visitors
New profile posts
Search profile posts
Showcase
New items
New comments
Latest reviews
Search showcase
Tools
ET Calculator
Forums
Log in
Register
Search
Everywhere
Threads
This forum
Search titles only
By:
Everywhere
Threads
This forum
Search titles only
By:
New posts
Search forums
Menu
Install the app
Install
L5P
Forums
Duramax 6.6 Technical
Duramax Hard Parts
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
1
2
Next
1 of 2
Go to page
Go
Next
Last
Filters
Show only:
Loading…
First time L5P owner. Code P0205
762Goon
Mar 19, 2023
Replies
8
Views
134
Mar 20, 2023
762Goon
R
L5P Troubles, please help!
Rreeck43
Mar 19, 2023
Replies
6
Views
159
Mar 19, 2023
TheBac
D
2017 L5P vs 2020 L5P
DaneF
Mar 9, 2023
Replies
4
Views
219
Mar 14, 2023
Nate’s Dmax
Question
countrycorey
Feb 22, 2023
Replies
7
Views
279
Mar 2, 2023
countrycorey
R
ECM issue
Rfree
Feb 19, 2023
Replies
4
Views
137
Feb 20, 2023
08lmm72mm
0
Please help! coolant leak!
Pcfl.Vlly.DMaxxed
Jan 30, 2023
Replies
2
Views
133
Jan 30, 2023
TheBac
A
Low Coolant Warning
Alaska_av8r
Nov 10, 2022
Replies
9
Views
474
Jan 29, 2023
DIESELMAFIAPER.LB7
Blow off valve?
Dm23
Jan 20, 2023
Replies
1
Views
122
Jan 20, 2023
MAXX IT OUT
Electrical issues
Jbendris
Nov 20, 2022
Replies
3
Views
177
Nov 21, 2022
Ron Nielson
R
S
#2 cylinder fuel injector blow-by
sparkygmc7890
Nov 10, 2022
Replies
11
Views
238
Nov 12, 2022
sparkygmc7890
S
Problems attempting injector cleaning
garyrosa123
Oct 18, 2022
Replies
12
Views
517
Nov 3, 2022
garyrosa123
Venturi catch can setup
Chevy1925
Dec 28, 2019
2
3
Replies
42
Views
7K
Oct 21, 2022
hntngkd
M
125k mile turbo junk?
mamumtsllc
May 2, 2021
Replies
1
Views
846
Oct 20, 2022
jimmy.romero
J
A
Increase Fuel Economy and Performance
asirico22
Oct 17, 2022
Replies
4
Views
321
Oct 18, 2022
asirico22
A
B
158 MPH Max speed?
bradendraper
Sep 9, 2022
Replies
1
Views
388
Sep 9, 2022
08lmm72mm
0
MAF sensor and mating connector part numbers
AugieM
Aug 7, 2022
Replies
3
Views
281
Aug 10, 2022
Ron Nielson
R
N
Nox Sensor & relearn
notrosh
Jul 20, 2022
Replies
2
Views
322
Jul 20, 2022
notrosh
N
L5P INJECTOR QUESTION
Dm23
Feb 16, 2022
Replies
11
Views
2K
May 8, 2022
77cruiser
7
New member injector issue
coppolac
May 3, 2022
Replies
4
Views
385
May 3, 2022
Chevy1925
L5P fuel system upgrade
Unhingedaz
May 1, 2022
Replies
6
Views
744
May 1, 2022
Unhingedaz
GM set to buy back some trucks.....
Dozerboy
Apr 16, 2022
Replies
4
Views
2K
Apr 18, 2022
Dean E
C
L5P with 100,000 miles and a stutter or slip at 1500 RPM
Chrisg0731
Mar 21, 2022
Replies
16
Views
1K
Mar 27, 2022
08lmm72mm
0
New 2022 3500HD High Idle Switch Option
fgregory
Mar 7, 2022
Replies
4
Views
2K
Mar 9, 2022
fgregory
M
Digital Assist Steering Re-Program?
mikemillersamnet
Mar 6, 2022
Replies
3
Views
341
Mar 7, 2022
mikemillersamnet
M
2021 L5P Dually
Muff
Oct 7, 2021
Replies
2
Views
527
Oct 9, 2021
Muff
Looking to swap white 15-19 LBDW for LBSW
D-MAX Mafia
Sep 22, 2021
Replies
5
Views
473
Oct 3, 2021
Nate’s Dmax
K
P228B Please Help / Advice
Kydiesel2017
Sep 15, 2021
Replies
1
Views
450
Sep 16, 2021
Ron Nielson
R
T
New owner need some tips
TheNewGuy78
Jun 1, 2021
Replies
13
Views
1K
Jun 4, 2021
TheNewGuy78
T
2017 L5p
Jwatsonlml
May 16, 2021
Replies
3
Views
827
May 16, 2021
snowman22
iDash not displaying option for transmission temp in menu
pinkmist
Feb 28, 2021
Replies
2
Views
575
Apr 18, 2021
FreedomOne
F
K
idle above 800 ... a pain in traffic
kjensen
Apr 15, 2021
Replies
4
Views
719
Apr 16, 2021
Lifted L5P
C
2019 D-Max Loud Ticking
CH-Diesel
Jan 27, 2021
Replies
16
Views
2K
Mar 29, 2021
tylerdurden
T
C
2020 l5p duramax knock at idle cold, worse hot
Capt. Wackencracker
Feb 22, 2020
2
3
Replies
46
Views
13K
Mar 29, 2021
tylerdurden
T
L5p rattle on start up
Henry95
Mar 10, 2021
Replies
2
Views
625
Mar 11, 2021
Henry95
J
Check engine light on after first fuel fill up
JCC N. Dakota
Feb 19, 2021
Replies
2
Views
560
Mar 6, 2021
Blackjack
2020 Denali with derringer threw fuel pressure code and limp
dracing70
Feb 19, 2021
Replies
15
Views
1K
Feb 26, 2021
LBZ
Random P0087 2017 L5P C&C
DPC
Feb 6, 2021
Replies
6
Views
1K
Feb 10, 2021
DPC
M
Whine during acceleration
mpjman
Dec 13, 2020
Replies
1
Views
627
Dec 13, 2020
Hoser
H
New L5P
DuramaxRamRod
Jun 16, 2019
Replies
14
Views
3K
Nov 23, 2020
DuramaxRamRod
M
New owner question
mpjman
Oct 23, 2020
Replies
1
Views
530
Oct 23, 2020
TheBac
unlocked ecm
T-man
Oct 4, 2020
Replies
0
Views
695
Oct 4, 2020
T-man
M
Weird clunk after hard stop
mpjman
Sep 24, 2020
Replies
5
Views
439
Sep 25, 2020
Chevy1925
L5P injector Torque specs
DuramaxRamRod
Sep 23, 2020
Replies
4
Views
3K
Sep 23, 2020
DuramaxRamRod
2020 Federal vs. California emissions
Michigan_LMM
Sep 17, 2020
Replies
8
Views
657
Sep 18, 2020
Chevy1925
CP4 diagnose P228C P228B
M.A.M.
May 12, 2020
Replies
16
Views
3K
Sep 15, 2020
M.A.M.
M
Driving/shifting questions
mpjman
Jul 24, 2020
Replies
1
Views
314
Jul 24, 2020
Chevy1925
L5p swap... Anybody know DIESEL ATTITUDE
Yngdmax92
Jun 24, 2020
2
Replies
27
Views
5K
Jul 16, 2020
kidturbo
L5P interchangeability?
Leadfoot
Jun 14, 2017
2
Replies
32
Views
15K
Jun 17, 2020
juddski88
C
Newer oil cooler
Cal5p
Jun 15, 2020
Replies
1
Views
472
Jun 15, 2020
2004LB7
1
Bypass dual stage system
1lunger
May 23, 2020
Replies
0
Views
545
May 23, 2020
1lunger
1
1
2
Next
1 of 2
Go to page
Go
Next
Last
You must log in or register to post here.
Forums
Duramax 6.6 Technical
Duramax Hard Parts
Top
Bottom