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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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J
4x4 Help
jmabs509
Mar 14, 2021
Replies
0
Views
457
Mar 14, 2021
jmabs509
J
How much oil pressure is enough?
TJBaker57
Mar 1, 2021
Replies
14
Views
2K
Mar 29, 2021
Mooseman
NEED HELP
P0171 Code causing high idle and poor fuel mileage!
ghost_leader07
Feb 27, 2021
Replies
21
Views
4K
Mar 11, 2021
gmcman
N
oil pressure gauge
niceguypmp3
Feb 17, 2021
Replies
4
Views
949
Mar 7, 2021
rchalmers3
R
M
PS pump compatibility
Mektek
Feb 14, 2021
Replies
4
Views
863
Feb 17, 2021
Mektek
M
C
Anyone know what size hex key is needed for the oil pressure test port?
chuey_316
Feb 8, 2021
Replies
2
Views
2K
Feb 8, 2021
Reprise
NEED HELP
P0017 CPAS replaced. and still have the code
yazan
Feb 1, 2021
Replies
8
Views
2K
Feb 3, 2021
Mooseman
T
Stall issue
TBlazerD
Jan 27, 2021
Replies
15
Views
2K
Feb 12, 2021
gmcman
N
Intermittent starts, runs, then no starts no crank??
netbyte
Jan 24, 2021
Replies
16
Views
2K
Feb 26, 2021
netbyte
N
SOLVED!
Noise Underneath & Rear
Nate8727
Jan 23, 2021
Replies
3
Views
1K
Feb 6, 2021
Nate8727
I
Electrical
Iginan62
Jan 21, 2021
Replies
4
Views
1K
Jan 23, 2021
Mooseman
C
NEED HELP
2002 Envoy p1275 p1280
colefireangel
Jan 13, 2021
Replies
5
Views
1K
Jan 14, 2021
colefireangel
C
N
Looking for Mechanic in Rochester, NY
nova72
Jan 13, 2021
Replies
13
Views
2K
Jan 28, 2021
northcreek
S
SOLVED!
Envoy will not start after a fan clutch and water pump exchange
Schadman
Jan 11, 2021
Replies
16
Views
4K
Jan 14, 2021
Schadman
S
NEED HELP
Wet Coil Pack on CL#06
ghost_leader07
Dec 31, 2020
Replies
18
Views
4K
Feb 5, 2021
ThatOneWhiteTruck
T
N
possible torque converter problems after tune
niceguypmp3
Dec 29, 2020
Replies
7
Views
1K
Dec 29, 2020
Mooseman
U
Transmission job #2
Uncleenvoy
Dec 26, 2020
Replies
13
Views
2K
Jan 11, 2021
Uncleenvoy
U
R
NEED HELP
Trailblazer 2007 Fuel injector
Rubsie
Dec 14, 2020
Replies
3
Views
1K
Dec 14, 2020
Mooseman
D
04 4.2 Lean condition mystery
Dieseldog
Dec 12, 2020
Replies
7
Views
2K
Dec 12, 2020
Mooseman
4.2 running on four cylinders
zkepler00
Dec 9, 2020
Replies
2
Views
839
Dec 10, 2020
zkepler00
No movement any gears
John Koda
Dec 9, 2020
2
Replies
55
Views
5K
Jun 2, 2021
John Koda
M
VVT solenoid connecter
Machoman
Dec 2, 2020
Replies
1
Views
825
Dec 2, 2020
Chemman
C
A
02 TB Replace Exhaust
AppleJack
Nov 29, 2020
Replies
2
Views
878
Dec 9, 2020
JerryIrons
J
R
LL8 Engine Test Platform Project
rchalmers3
Nov 28, 2020
Replies
27
Views
4K
Feb 4, 2021
limequat
Video: How to remove head bolts without breaking
Mooseman
Nov 27, 2020
Replies
9
Views
4K
Dec 30, 2022
mrrsm
J
Ignition
Josh2008tb
Nov 26, 2020
Replies
18
Views
2K
Dec 16, 2020
mrrsm
R
NEED HELP
Chamfer
Rockitt1964
Nov 22, 2020
Replies
1
Views
504
Nov 29, 2020
aaserv
N
engine noise
niceguypmp3
Nov 19, 2020
Replies
2
Views
1K
Nov 19, 2020
TJBaker57
N
shift points
niceguypmp3
Nov 18, 2020
Replies
4
Views
1K
Nov 18, 2020
mrrsm
2005 TB Sluggish Start ONLY After Gas Fill-Up
Charles Austin Miller
Nov 18, 2020
Replies
1
Views
517
Nov 18, 2020
BrianF
B
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Engine & Drivetrain
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