L5P

Rdomeck
L5P will barely start, then die Please Help
Replies
45
Views
752
2004LB7
2004LB7
Yngdmax92
L5p swap... Anybody know DIESEL ATTITUDE
Replies
27
Views
9K
Tommy's Auto
T
D
In need of some guidance
Replies
29
Views
517
Chevy1925
Chevy1925
Gman1965
Knox sensor
Replies
3
Views
91
Chevy1925
Chevy1925
R
L5P injectors require back pressure to operate?
Replies
2
Views
96
Chevy1925
Chevy1925
Jbendris
Electrical issues
Replies
4
Views
586
Rdomeck
Rdomeck
Dm23
L5P INJECTOR QUESTION
Replies
13
Views
4K
Rdomeck
Rdomeck
T
NOX sensor 2018 2500HD Duramax L5P
Replies
20
Views
579
TexanKirk1
T
ikeG
Oil prime
Replies
16
Views
374
ikeG
ikeG
Unhingedaz
L5P fuel system upgrade
Replies
7
Views
2K
decathlin
D
B
bob2799
Replies
2
Views
122
TheBac
TheBac
NC-smokinlmm
2024 Duramax issues?
Replies
100
Views
15K
shakenfake
shakenfake
C
Rocker arm assembly, torque specs
Replies
3
Views
225
1FastBrick
1FastBrick
J
Leak and question about my 2018 l5p duramax
Replies
5
Views
382
gmc502
gmc502
bsmall2800
OBDII "Not Ready" for SMOG TEST
Replies
7
Views
508
bsmall2800
bsmall2800
O
glow plugs
Replies
2
Views
218
oldwhitehorse
O
0
Code readers for 2024 L5P
Replies
16
Views
625
NC-smokinlmm
NC-smokinlmm
T
2018 L5P Engine Miss
Replies
9
Views
515
Ron Nielson
R
B
158 MPH Max speed?
Replies
6
Views
2K
kaylabryn
K
M
Knocking noise
Replies
13
Views
713
mississippiray
M
B
2018 l5p high county U18A2 help
Replies
23
Views
2K
kidturbo
kidturbo
M
Dual Battery Charging
Replies
5
Views
484
NC-smokinlmm
NC-smokinlmm
C
L5P with 100,000 miles and a stutter or slip at 1500 RPM
Replies
18
Views
4K
Chevy1925
Chevy1925
Bbuchanan11
2017 intermittent rough idle
Replies
11
Views
493
Chevy1925
Chevy1925
J
No Throttle No codes
Replies
6
Views
477
kidturbo
kidturbo
Chevy1925
L5P performance builds (beyond just a built trans)
Replies
31
Views
6K
autorepair1
A
countrycorey
CEL running rough
Replies
8
Views
432
77cruiser
7
R
L5P hangs up at WOT
Replies
3
Views
615
Chevy1925
Chevy1925
C
2019 L5P- Needing Turbo Actuator
Replies
2
Views
502
chanzilla808
C
Gcappy56
Horn beeps and left signal light blinks
Replies
1
Views
459
TheBac
TheBac
kidturbo
L5P Weakest Links
Replies
84
Views
4K
kidturbo
kidturbo
H
Another P20EE Question
Replies
7
Views
413
Hazman
H
mtxcaleb
Scr doc dpf delete
Replies
2
Views
800
mtxcaleb
mtxcaleb
Pcfl.Vlly.DMaxxed
Please help! coolant leak!
Replies
4
Views
547
mtxcaleb
mtxcaleb
J
Emissions
Replies
4
Views
519
2004LB7
2004LB7
E
Difference in a 17-19 and 2020+ engine?
Replies
25
Views
1K
Nate’s Dmax
Nate’s Dmax
mtxcaleb
Def pump replaced same issue
Replies
2
Views
400
mtxcaleb
mtxcaleb
762Goon
First time L5P owner. Code P0205
Replies
8
Views
1K
762Goon
762Goon
R
L5P Troubles, please help!
Replies
6
Views
5K
TheBac
TheBac
D
2017 L5P vs 2020 L5P
Replies
4
Views
1K
Nate’s Dmax
Nate’s Dmax
countrycorey
Question
Replies
7
Views
1K
countrycorey
countrycorey
R
ECM issue
Replies
4
Views
414
08lmm72mm
0
A
Low Coolant Warning
Replies
9
Views
1K
DIESELMAFIAPER.LB7
DIESELMAFIAPER.LB7
Dm23
Blow off valve?
Replies
1
Views
1K
MAXX IT OUT
MAXX IT OUT
S
#2 cylinder fuel injector blow-by
Replies
11
Views
756
sparkygmc7890
S
garyrosa123
Problems attempting injector cleaning
Replies
12
Views
1K
garyrosa123
garyrosa123
Chevy1925
Venturi catch can setup
Replies
42
Views
10K
hntngkd
hntngkd
M
125k mile turbo junk?
Replies
1
Views
2K
jimmy.romero
J
A
Increase Fuel Economy and Performance
Replies
4
Views
669
asirico22
A
AugieM
MAF sensor and mating connector part numbers
Replies
3
Views
763
Ron Nielson
R
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