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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Potential reasons for code's?
Hearnrobert2828
Dec 13, 2019
Replies
2
Views
1K
Dec 15, 2019
TJBaker57
H
NEED HELP
Vibration
Hearnrobert2828
Dec 11, 2019
Replies
18
Views
2K
Dec 13, 2019
mrrsm
M
NEED HELP
Transfer case issues
matty8412
Sep 5, 2019
Replies
28
Views
3K
Dec 8, 2019
matty8412
M
D
NEED HELP
Chasing Gremlins?
Dosselhaf
Aug 20, 2019
Replies
23
Views
4K
Oct 21, 2019
Mektek
M
NEED HELP
ATF leaking at radiator coolant line fitting on 2002 Envoy
Drec
Oct 11, 2019
Replies
13
Views
6K
Oct 15, 2019
Drec
NEED HELP
05 into 03 drivetrain swap
Daniel597
Oct 4, 2019
Replies
3
Views
696
Oct 5, 2019
Mooseman
0
NEED HELP
Oil pan removal/rod bearings
06'9-7x
Sep 19, 2019
Replies
4
Views
4K
Sep 20, 2019
Mooseman
M
NEED HELP
How to properly pin point a code C0306
matty8412
Sep 15, 2019
Replies
5
Views
4K
Sep 20, 2019
budwich
B
0
NEED HELP
New buy- rod knock
06'9-7x
Aug 10, 2019
Replies
31
Views
3K
Aug 14, 2019
gmcman
NEED HELP
P1221 . engine power reduced
yazan
Aug 8, 2019
Replies
9
Views
7K
Aug 13, 2019
Mooseman
W
NEED HELP
05 Trailblazer 4.2 ECT vs Thermostat vs Scanner
wbrockstar
Jul 28, 2019
Replies
8
Views
2K
Aug 6, 2019
wbrockstar
W
M
NEED HELP
several codes and strange behavior
mister zimm
Jul 29, 2019
Replies
2
Views
758
Jul 30, 2019
mister zimm
M
NEED HELP
Engine stalling. No codes
yazan
Jun 24, 2019
2
Replies
53
Views
8K
Jul 12, 2019
Mooseman
NEED HELP
Ignition Coils
hawkeye405
Jul 1, 2019
Replies
10
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3K
Jul 8, 2019
mrrsm
M
NEED HELP
Oil pressure
MILES-2005-4.2
May 20, 2019
Replies
5
Views
1K
Jun 22, 2019
mark'stb
NEED HELP
P0300 p1514, engine power reduced, white smoke
yazan
Mar 18, 2019
2
3
Replies
81
Views
12K
May 8, 2019
Mooseman
A
NEED HELP
P0507 After Cleaning Throttle Body
aaronv54
Apr 18, 2019
Replies
6
Views
6K
Apr 20, 2019
Mooseman
NEED HELP
Fuel line leaking at pump???
Doug Fresh
Mar 16, 2019
Replies
3
Views
1K
Mar 16, 2019
Mooseman
H
NEED HELP
2007 Trailblazer fan clutch questions
haymad
Feb 19, 2019
Replies
20
Views
4K
Mar 16, 2019
Mike534x
A
NEED HELP
2006 Trailblazer 4.2 engine stall P2431 Code
ar7
Mar 14, 2019
Replies
3
Views
2K
Mar 14, 2019
Mooseman
F
NEED HELP
p0340
Frankd1
Feb 18, 2019
Replies
9
Views
1K
Feb 27, 2019
Maverick6587
NEED HELP
Engine Performance Issue
NelliM60
Feb 20, 2019
Replies
4
Views
876
Feb 20, 2019
Chickenhawk
NEED HELP
Serpetine belt issues
tyler
Feb 16, 2019
Replies
9
Views
2K
Feb 19, 2019
KEEBZ489
K
T
NEED HELP
P1514 rough idle won't turn over
tk_427
Feb 11, 2019
Replies
2
Views
1K
Feb 11, 2019
Mooseman
S
NEED HELP
Rough idle after parked on incline
Sp00nix
Feb 6, 2019
Replies
5
Views
7K
Feb 8, 2019
Sp00nix
S
NEED HELP
New fuel pump in and now a whole new problem.
xavierny25
Dec 7, 2018
Replies
29
Views
3K
Dec 12, 2018
mrrsm
NEED HELP
Crank no spark
CDSLIMES
Dec 9, 2018
Replies
6
Views
5K
Dec 9, 2018
mrrsm
R
NEED HELP
2005 tb wheres the filter????
rogyord
Nov 17, 2018
Replies
3
Views
816
Nov 17, 2018
Mooseman
T
NEED HELP
No fuel
twerp473
Nov 3, 2018
Replies
5
Views
1K
Nov 4, 2018
Mooseman
NEED HELP
4.2 Atlas I-6 oil pan mod?
damifino
Oct 28, 2018
Replies
21
Views
7K
Oct 30, 2018
mrrsm
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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