Vortec 4.2L I-6

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NEED HELP Transfer case issues
Replies
28
Views
3K
matty8412
M
D
NEED HELP Chasing Gremlins?
Replies
23
Views
4K
Mektek
M
0
NEED HELP New buy- rod knock
Replies
31
Views
3K
gmcman
gmcman
yazan
NEED HELP P1221 . engine power reduced
Replies
9
Views
7K
Mooseman
Mooseman
M
NEED HELP several codes and strange behavior
Replies
2
Views
766
mister zimm
M
W
NEED HELP 05 Trailblazer 4.2 ECT vs Thermostat vs Scanner
Replies
8
Views
2K
wbrockstar
W
G
NEED HELP Engine Replaced - Won't Start
Replies
40
Views
9K
Gaffer
G
R
NEED HELP Intake manifold bolts
Replies
30
Views
11K
Dadwagon
Dadwagon
hawkeye405
NEED HELP Ignition Coils
Replies
10
Views
3K
mrrsm
mrrsm
yazan
NEED HELP Engine stalling. No codes
Replies
53
Views
8K
Mooseman
Mooseman
R
NEED HELP P0171 Lean Code
Replies
26
Views
6K
zaid3ssaf
zaid3ssaf
M
NEED HELP Oil pressure
Replies
5
Views
1K
mark'stb
mark'stb
A
NEED HELP P0507 After Cleaning Throttle Body
Replies
6
Views
6K
Mooseman
Mooseman
yazan
NEED HELP P0300 p1514, engine power reduced, white smoke
Replies
81
Views
12K
Mooseman
Mooseman
Doug Fresh
NEED HELP Fuel line leaking at pump???
Replies
3
Views
1K
Mooseman
Mooseman
A
NEED HELP 2006 Trailblazer 4.2 engine stall P2431 Code
Replies
3
Views
2K
Mooseman
Mooseman
NelliM60
NEED HELP Engine Performance Issue
Replies
4
Views
888
Chickenhawk
Chickenhawk
H
NEED HELP 2007 Trailblazer fan clutch questions
Replies
20
Views
4K
Mike534x
Mike534x
F
NEED HELP p0340
Replies
9
Views
1K
Maverick6587
Maverick6587
tyler
NEED HELP Serpetine belt issues
Replies
9
Views
2K
KEEBZ489
K
T
NEED HELP P1514 rough idle won't turn over
Replies
2
Views
1K
Mooseman
Mooseman
M
NEED HELP 2004 Trailblazer - initial code p0300
Replies
35
Views
14K
Yotarolla97
Y
S
NEED HELP Rough idle after parked on incline
Replies
5
Views
7K
Sp00nix
S
CDSLIMES
NEED HELP Crank no spark
Replies
6
Views
5K
mrrsm
mrrsm
xavierny25
NEED HELP New fuel pump in and now a whole new problem.
Replies
29
Views
3K
mrrsm
mrrsm
dieselscrub
NEED HELP P0455 EVAP System Performance Problem
Replies
4
Views
1K
Brian K
B
R
NEED HELP 2005 tb wheres the filter????
Replies
3
Views
823
Mooseman
Mooseman
T
NEED HELP No fuel
Replies
5
Views
1K
Mooseman
Mooseman
damifino
NEED HELP 4.2 Atlas I-6 oil pan mod?
Replies
21
Views
7K
mrrsm
mrrsm
dna59
NEED HELP Cooling system & leaking radiators
Replies
14
Views
2K
16vcabman
1
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