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GM Diesel & Truck Discussion
6.5L Diesel Engine
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22
Sticky
6.5/6.2 Tech manual
Bcarriveau
Feb 15, 2010
2
18K
Jun 5, 2010
by
ocalasales
T
Sticky
pre-96 6.5 OBD-I DTC code list
TheBac
Nov 5, 2006
5
31K
Apr 11, 2010
by
4320diesel
T
Sticky
96-up 6.5 OBD-II DTC code list
TheBac
Nov 5, 2006
7
35K
Nov 9, 2009
by
acesneights1
P
94 2500 6.5
peshmerga
Aug 22, 2011
2
3K
Jan 24, 2023
by
chrisphelan2323
R
1998 chevy 3500 6.5
Roneal1982
Sep 13, 2022
6
1K
Sep 22, 2022
by
Jasong
Hard to start and stutters when I give it the throttle.
Tanze
Jan 3, 2022
4
1K
Jan 14, 2022
by
BigBone
Will start fine one day and the next crank and smoke.
Tanze
Jan 5, 2022
1
455
Jan 7, 2022
by
Jasong
D
P0236 Code
docwatson
Jul 20, 2010
9
30K
Aug 19, 2021
by
brad594
M
6.5 wont start when hot
mpb75
May 4, 2011
9
25K
Jun 22, 2021
by
Topher
Turbo turned off
Isaac.Burtis
Feb 11, 2021
0
2K
Feb 11, 2021
by
Isaac.Burtis
Why 6.5TD exhaust smaller than 6.2 NA?
hongmihn
Dec 19, 2020
0
1K
Dec 19, 2020
by
hongmihn
L
2002 6.5 Problems
LOW
Sep 16, 2020
0
667
Sep 16, 2020
by
LOW
E
My last post. Spent a bit of time here
Edzzed
Apr 1, 2020
0
665
Apr 1, 2020
by
Edzzed
1
how much boost can a 6.5 take
1964reo
Jul 26, 2014
7
10K
Sep 8, 2019
by
KET19
6.5L losing power
Jasong
May 26, 2015
3
3K
Sep 8, 2019
by
KET19
stalling
jerryjerry05
Jul 19, 2016
20
5K
Aug 7, 2016
by
jerryjerry05
K
Series 60 GM engine swap
Kirby
May 11, 2016
1
2K
May 13, 2016
by
Jasong
K
cold weather
k_nine
Nov 21, 2012
11
5K
Jan 8, 2016
by
yukondiesel
T
Timing Problems
tomk
Jan 3, 2015
2
3K
Jan 12, 2015
by
tomk
T
Timing Problems
tomk
Jan 3, 2015
0
2K
Jan 3, 2015
by
tomk
M
6.5 wiring help. Guages acting strange.
Mprudent
Nov 16, 2014
4
3K
Nov 20, 2014
by
Mprudent
W
you can't spell diesel without "die".
wytepirate
Nov 1, 2014
1
2K
Nov 7, 2014
by
racer55
M
6.5 Turbo Injection problems maybe ?
MJfactor68
Oct 18, 2014
2
3K
Oct 20, 2014
by
MJfactor68
1
6.2 vs 6.5 flywheel flexplate
1964reo
Sep 10, 2014
2
4K
Sep 20, 2014
by
1964reo
6
blowing unburnt diesel out exhaust,running rough,and no power?HELP!!!
6.5TD99TAHOE
Jul 28, 2013
4
12K
Aug 31, 2014
by
racer55
J
I am looking for an engine harness &/or part number to fit the 1996 K1500 F engine 6.
jrsavoie
Feb 14, 2014
2
3K
Feb 24, 2014
by
jrsavoie
J
Cummins swap
jrfarms21
Jan 15, 2013
2
3K
Feb 2, 2014
by
BombDocDiesel
B
6.5L elec. start issues
budweiserbandit
Dec 8, 2013
5
3K
Dec 10, 2013
by
budweiserbandit
S
got some weird things happening
sofakingkustom
Nov 10, 2013
3
3K
Nov 19, 2013
by
acesneights1
C
Oil pressure
cowboy128
Aug 7, 2013
1
3K
Sep 8, 2013
by
racer55
B
HELP Wiring Harness 1994 6.5
bryan1984
Sep 4, 2013
1
3K
Sep 8, 2013
by
racer55
B
1998 AM General Hummer H1 - Codes P0236 & P0722
Boss2012
Jul 20, 2013
1
4K
Jul 20, 2013
by
racer55
P
1994 6.5 TD, won't idle in park or stay at any certain speed
Prophet
Jun 29, 2013
11
9K
Jul 11, 2013
by
Prophet
1
1999 6.5l security bypass
10hotrod16
Jul 5, 2013
1
2K
Jul 6, 2013
by
racer55
B
96 4L80E in a 94 6.5?
bryan1984
Jul 2, 2013
0
2K
Jul 2, 2013
by
bryan1984
S
NEED HELP !!!!!
smokeone
Apr 2, 2013
1
2K
Apr 7, 2013
by
racer55
A
Different fuel filter housing?
Autoslammer
Feb 18, 2013
2
2K
Feb 26, 2013
by
heallen
U
6.5 turbo vs non turbo
UncleP
Feb 12, 2013
1
4K
Feb 17, 2013
by
racer55
1
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