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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Z
NEED HELP
05 Trailblazer Fuel Gauge Problem. Bad PCM?
Zmoney
Jun 4, 2021
2
3
Replies
85
Views
7K
Sep 8, 2021
Mramses
M
S
05 trailblazer crank no start...
Scottrtig
May 10, 2016
Replies
7
Views
1K
May 11, 2016
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
A
05 TB won't start after head gasket replacement
AirSick
Aug 12, 2013
2
Replies
59
Views
4K
Sep 17, 2013
gmcman
T
05 TB EXT - Service 4WD light on - No 4WD
Trale Blayzen
Sep 8, 2022
Replies
18
Views
2K
Sep 17, 2022
TollKeeper
I
05 TB 4.2 stumble
iaminsider
Nov 30, 2015
Replies
19
Views
3K
Dec 16, 2015
iaminsider
I
NEED HELP
05 into 03 drivetrain swap
Daniel597
Oct 4, 2019
Replies
3
Views
700
Oct 5, 2019
Mooseman
J
05 Envoy 4.2L hesitates / rough
jemmie
Jun 23, 2015
Replies
24
Views
3K
Aug 20, 2015
Real McCoy
R
05 envoy 4.2 puking oil.
redline customs
Apr 2, 2020
Replies
23
Views
4K
Apr 6, 2020
mrrsm
C
04-06 motors
cmatb08
Jul 25, 2012
Replies
5
Views
1K
Jul 26, 2012
ScarabEpic22
04'-06' 4.2 engine swap
TLynn731
Feb 27, 2019
Replies
12
Views
3K
Jun 4, 2019
TollKeeper
I
04 trailblazer LT weird engine noise
IAFF78
Feb 25, 2015
Replies
13
Views
4K
Apr 2, 2015
seanpooh
0
04 trailblazer lt 4.2 2wd PLEASE HELP P0016
04tblt
Dec 6, 2021
Replies
6
Views
4K
Jan 5, 2022
04tblt
0
04 trailblazer ext lt miss
rebelchevy66
Mar 15, 2016
Replies
6
Views
698
Mar 16, 2016
gmcman
C
04 Trailblazer Checked a fuse and now engine cranks but won’t start
Cornerstonejeff
Jan 12, 2020
Replies
1
Views
625
Jan 12, 2020
Mooseman
04 TRAILBLAZER 4.2 WONT REV PAST 3K?
Repairman77
Jul 22, 2021
Replies
16
Views
5K
Jul 27, 2021
mrrsm
G
Locked
04 Trailblazer 2x4 noise while driving
gica
Apr 18, 2021
Replies
12
Views
2K
Apr 24, 2021
Mooseman
G
04 TB temperature needle drifts to the right when going up a hill
gica
Jul 26, 2019
2
3
4
Replies
125
Views
10K
May 24, 2021
Mooseman
L
SOLVED!
04 TB LS engine r&r security light solid no crank
Livnonthedge
Nov 27, 2022
Replies
30
Views
2K
Dec 11, 2022
fixit
F
C
04 TB EXT and POOR gas mileage
convincer253
Apr 4, 2012
2
Replies
60
Views
6K
Apr 6, 2014
gmcman
I
04 TB Cat Converter issues
IAFF78
Feb 4, 2015
Replies
11
Views
2K
Feb 16, 2015
redmaro42
04 Rainier noise from intake manifold
jeffro312
Nov 18, 2012
Replies
23
Views
2K
Nov 23, 2012
jeffro312
04 Rainier Binding/Vibration during slow speed turns
jeffro312
Oct 4, 2012
2
Replies
48
Views
20K
Feb 8, 2013
mrphoenix80
M
G
04 Bravada random misfire keeps coming back
gladesteen
Dec 20, 2021
Replies
38
Views
3K
Dec 22, 2021
gladesteen
G
B
04 4.2 Trailblazer No Crank No Start
Bobbypilsner
Aug 21, 2020
Replies
4
Views
1K
Aug 21, 2020
Bobbypilsner
B
D
04 4.2 Lean condition mystery
Dieseldog
Dec 12, 2020
Replies
7
Views
2K
Dec 12, 2020
Mooseman
G
03 trailblazer wont go above 10 mph
grizzly4x4
Jul 23, 2013
Replies
16
Views
11K
Sep 22, 2013
LordBear
S
03 Trailblazer stalling after warms up w/no codes
setchi
Mar 8, 2013
Replies
8
Views
9K
Mar 22, 2013
signalnc
S
NEED HELP
03 Trailblazer multiple codes
TADave
Feb 18, 2016
Replies
23
Views
3K
Feb 25, 2016
Inferno333
I
C
03 trailblazer hesitates
chevy
Nov 22, 2013
Replies
10
Views
1K
Nov 25, 2013
The_Roadie
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Engine & Drivetrain
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