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GM Diesel Engines
Duramax Sixth Generation: 2017-2019 (L5P)
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L5P:
Sticky
What did you do to your L5P today?
callie454
Mar 25, 2017
3
4
5
84
47K
3 mo ago
by
Mickey_D
Info:
Sticky
Loose Intercooler/Intake Clamps
Lgowens2
Sep 17, 2017
5
16K
Oct 30, 2018
by
Nick93
Info:
Sticky
DEF Shelf Life & Fluid Quality
OkDually
Aug 27, 2017
Locked
0
12K
Aug 27, 2017
by
OkDually
Question:
Low coolant showing on the display
chevmen
2 mo ago
17
1K
1 d ago
by
chevmen
S
Pulled relays for anti theft
STigue
1 mo ago
9
591
15 d ago
by
BlkSS
Turbo?
ssm58
26 d ago
0
187
26 d ago
by
ssm58
W
Max Air Flow Sensor
White16LML
1 mo ago
4
465
1 mo ago
by
White16LML
B
Question:
Found part during maintenance
brianmulvehill
1 mo ago
1
447
1 mo ago
by
Mickey_D
Diesel in Oil
mikeintenn
2 mo ago
1
281
2 mo ago
by
OkDually
Question:
What is the trick to disconnecting the MAP sensor harness connector on L5P
nutdriver
Sep 12, 2020
17
14K
2 mo ago
by
tompeach90
DEF delete
pbburlton
2 mo ago
5
1K
2 mo ago
by
Mikes2019HDDuramax
1
L5p exhaust brake squeal chirp
18Denali jim
Apr 30, 2021
18
9K
2 mo ago
by
OkDually
M
2018 L5P Fuel cooler replacement
MKPL5P18
2 mo ago
2
344
2 mo ago
by
Mikes2019HDDuramax
B
Low Coolant Level
brianmulvehill
2 mo ago
3
563
2 mo ago
by
DeerCreekFarm
Question:
Problems with the truck just started
chevmen
2 mo ago
11
786
2 mo ago
by
chevmen
G
P20CB code after treatment fuel injector control circuit open. Fixed
ghoneycutt
Jan 17, 2022
15
7K
2 mo ago
by
OkDually
Best OBD Scanner for my Chevy $500 or less.
sean2k5
Aug 8, 2021
9
6K
2 mo ago
by
Mikey52
R
Question:
L5P Trouble Codes
RReeck43
3 mo ago
1
978
3 mo ago
by
OkDually
W
Looking for help 2019 Chevy L5P intake leak
wika223
3 mo ago
3
436
3 mo ago
by
wika223
Placement of DEF Fill
Mikes2019HDDuramax
Feb 21, 2022
2
36
7K
3 mo ago
by
Mickey_D
T
18 L5P smoke issue black/grey. Not deleted. No power loss
Tk204
11 mo ago
9
2K
3 mo ago
by
Stewart41
S
2018 L5P
Stewart41
3 mo ago
1
443
3 mo ago
by
OkDually
CHUFFING / FLUTTERING coming through airbox
chrisxcrump
3 mo ago
1
475
3 mo ago
by
OkDually
0
P2122 2018 L5P after pulsar and insight install
02gsxr750
Oct 28, 2021
2
2K
3 mo ago
by
daniel.nieves.4455
Question:
Service Exhaust Fluid System/Reductant Pressure Low
msteph15
3 mo ago
6
1K
3 mo ago
by
msteph15
A
Question:
Any high mileage Duramax’s running Dino oil vs Synthetics?
averey0
5 mo ago
2
24
3K
4 mo ago
by
Mickey_D
S
Emissions message
spicer69
4 mo ago
1
499
4 mo ago
by
OkDually
Cold air intake issues
ryan.reeber
4 mo ago
5
629
4 mo ago
by
ryan.reeber
J
check coolant light message keeps coming on.
jimmyjomackdriver
Dec 8, 2021
17
4K
4 mo ago
by
Was NewD-MaxLLY
S
Question:
DEF tube heater resistance
seventy4
6 mo ago
1
891
4 mo ago
by
BrennanK
DEF
Mikes2019HDDuramax
5 mo ago
2
3
4
61
4K
5 mo ago
by
FreedomOne
A
Info:
The LP5 is bad ass
averey0
5 mo ago
10
2K
5 mo ago
by
77cruiser
J
Exhaust particulate matter sensor location .?
Jakebrink48
Oct 30, 2021
8
5K
5 mo ago
by
redwngr
Question:
Head Gasket Failures
Ted White
Mar 22, 2018
2
37
28K
5 mo ago
by
averey0
Question:
Hello everyone
Mikes2019HDDuramax
6 mo ago
17
1K
5 mo ago
by
slevar2019
Question:
p0336 Where is the crank Position sensor.
Derrickacy
5 mo ago
0
593
5 mo ago
by
Derrickacy
S
Big Bump New codes
seventy4
6 mo ago
2
746
6 mo ago
by
heymccall
S
disconnecting batteries and grounding terminals
seventy4
6 mo ago
4
923
6 mo ago
by
seventy4
1
2
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Duramax Sixth Generation: 2017-2019 (L5P)
Discuss the sixth generation of the 6.6L Duramax diesel engine & associated components. Engine related discussion ONLY.
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STigue
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