3.0L Duramax Diesel Discussion

Discuss the 3.0L Duramax diesel that now is an option for the 2021+ models here.
mckdeezle
Check Engine Going On/Off
Replies
1
Views
54
StephenPT
StephenPT
D
Def usage - seemed to drop really fast
Replies
9
Views
664
Brand0n
B
M
22 Duramax/Windshield Washer Fluid Pumps don't work...
2
Replies
10
Views
2K
martinajm
M
pruittatl
GM Transmission MHS (2022) vs MQC (2021)
Replies
2
Views
541
Suburban2024
S
N
Actual diesel consumption on 21 duramax Tahoe
Replies
7
Views
1K
Jellyfrosh
Jellyfrosh
B
Diesel Engine Incorrect Calibration? N212355140
2 3 4
Replies
33
Views
3K
altona
A
M
Towing 18' aluminum car trailer with diesel 3.0 23 Yukon
Replies
4
Views
522
steiny93
S
A
2021 Tahoe LT Duramax mpg/mpd increase after maintenance and software upgrade
2
Replies
19
Views
2K
goldfinger
G
navyseal334
Grille overlay - impact to engine from airflow reduction/redirect?
Replies
3
Views
479
Stbentoak
Stbentoak
R
Engine coolant level in surge tank ?
Replies
9
Views
629
Rizop
R
GoNoGo
I only drive rural country roads, will RE-GEN function a-okay ?
2
Replies
11
Views
954
GoNoGo
GoNoGo
S
Oil consumption
Replies
3
Views
576
StephenPT
StephenPT
E
duramax 3.0 fuel additive
2 3
Replies
21
Views
8K
DmaxDenaliXL
D
Stbentoak
Leaking fuel filler line
2
Replies
17
Views
1K
Stbentoak
Stbentoak
J
22 Yukon Duramax/Flickering Headlights & Other Issues after Dead Battery
Replies
8
Views
603
DmaxDenaliXL
D
Naz 23 Escalade
7 month later our Escalade Finally showed up!! Diesel sounds help please!
2
Replies
10
Views
2K
v3scott
V
J
Quad exhaust
2
Replies
14
Views
1K
Juanillo2023HC
J
S
exhaust smell in cab '21 denali
2 3
Replies
27
Views
2K
MoonTruck
MoonTruck
J
Resonator delete
Replies
0
Views
313
Juanillo2023HC
J
J
Auto Start and Banks Gauge
Replies
7
Views
649
Juanillo2023HC
J
M
3.0L Duramax Towing?
2 3
Replies
27
Views
9K
StephenPT
StephenPT
GmcJing
Service Emission System 3.0 Duramax
2
Replies
15
Views
9K
steiny93
S
D
Where do you get your oil changed?
2 3
Replies
25
Views
2K
Stbentoak
Stbentoak
D
Diesel Cap
2
Replies
11
Views
3K
DuraYuk
DuraYuk
972sparky
Banks iDash parameters for the LM2
2
Replies
11
Views
3K
StephenPT
StephenPT
A
Bet you added the "wrong oil" to your LM2
2
Replies
13
Views
2K
Stbentoak
Stbentoak
N
Heater Cord
Replies
5
Views
738
tungsten
tungsten
Fireman591
DEF usage question
2
Replies
15
Views
4K
Jellyfrosh
Jellyfrosh
ItIsWhatItIs
Installed an Auto Start/Stop Eliminator… works great, buy one!
2 3 4
Replies
30
Views
12K
Fast_AT4
Fast_AT4
V
Yukon Denali Duramax - Is it slow?
2 3 4
Replies
36
Views
12K
DuraYuk
DuraYuk
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