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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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W
2004 envoy xuv 4.2l suddenly wont start but cranks
Waway
Nov 18, 2022
Replies
8
Views
1K
Nov 24, 2022
c good
C
P0014 P0017 P0480
yazan
Nov 16, 2022
Replies
5
Views
1K
Nov 16, 2022
Mooseman
W
P2440 and P0411, Secondary Air Injection
wormwood1978
Nov 1, 2022
Replies
7
Views
3K
Nov 6, 2022
wormwood1978
W
H
NEED HELP
Fuel Pressure regulator location
Harut
Oct 14, 2022
Replies
19
Views
2K
Nov 25, 2022
Harut
H
C
Low Oil Pressure reading?
c good
Oct 10, 2022
Replies
22
Views
2K
Oct 22, 2022
TJBaker57
TB 2002 heater quick disconnect part numbers
rolo95
Oct 6, 2022
Replies
3
Views
1K
Oct 9, 2022
Mooseman
S
How old is too old
Stuntmanmike1977
Oct 6, 2022
Replies
5
Views
1K
Oct 7, 2022
flyboy2610
baffled with engine miss and over heating
LordBear
Oct 5, 2022
Replies
3
Views
1K
Oct 5, 2022
Mooseman
B
No vacumm at all
barnyardmac
Sep 22, 2022
Replies
19
Views
1K
Oct 1, 2022
Mooseman
T
05 TB EXT - Service 4WD light on - No 4WD
Trale Blayzen
Sep 8, 2022
Replies
18
Views
2K
Sep 17, 2022
TollKeeper
C
Should I get a "back up" PCM now?
c good
Aug 30, 2022
Replies
2
Views
1K
Aug 31, 2022
c good
C
SOLVED!
Low oil pressure 4.2L
Nvarela64
Aug 23, 2022
2
Replies
54
Views
10K
Jan 25, 2024
Mooseman
S
2005 TB plug is stuck, misfire
santon
Aug 21, 2022
Replies
9
Views
1K
Aug 28, 2022
NJTB
N
V
Rod Knock -Replace or Repair?
ViolentBlue
Aug 16, 2022
Replies
5
Views
2K
Sep 8, 2022
Mooseman
0
03 TB Cam shaft positioning sensor issues
03TrailblazerNut
Aug 10, 2022
Replies
3
Views
1K
Aug 11, 2022
budwich
B
D
Free set of tires but will they fit?
Dieseldog
Aug 9, 2022
Replies
2
Views
768
Aug 10, 2022
Dieseldog
D
K
Door Check Strap Hole?
krunal88
Aug 5, 2022
Replies
5
Views
1K
Aug 5, 2022
krunal88
K
F
SOLVED!
4.2 Sluggish Acceleration and Odd Cold Startup
FlyFish3rman
Aug 4, 2022
Replies
25
Views
6K
Sep 12, 2022
FlyFish3rman
F
D
Oil filter autopsy after MMO
Dieseldog
Aug 1, 2022
Replies
5
Views
1K
Aug 9, 2022
Dieseldog
D
M
SOLVED!
2004 TB 4.2 high idle 3000 rpm
Machineman6981
Jul 25, 2022
Replies
13
Views
3K
Jul 27, 2022
Machineman6981
M
J
What is this connector near the AC compressor? (Plus oil pickup tube gasket fiasco.)
jcloninger
Jul 20, 2022
Replies
7
Views
1K
Jul 25, 2022
jcloninger
J
SOLVED!
Locked in Park, Won't activate starter (or click)...?
Roamingdoc
Jul 10, 2022
2
Replies
47
Views
4K
Aug 31, 2022
Roamingdoc
2006 head on 2005 block?
JayArr
Jul 6, 2022
Replies
4
Views
965
Jul 9, 2022
limequat
Codes and symptoms sans thoughts
jmonica
Jul 5, 2022
Replies
29
Views
2K
Jul 18, 2022
Mooseman
T
Rough idle, with p2101 code
Tstorms10
Jul 4, 2022
Replies
7
Views
2K
Jul 8, 2022
mrrsm
Y
07 trailblazer 4.2L crank . no start
Yoda222
Jun 14, 2022
2
Replies
41
Views
4K
Jun 25, 2022
Mooseman
S
Wheel play
Stuntmanmike1977
May 31, 2022
Replies
4
Views
1K
Jun 6, 2022
Stuntmanmike1977
S
S
Rotting away
Stuntmanmike1977
May 9, 2022
Replies
1
Views
860
May 9, 2022
Mooseman
Video: Atlas engine teardown
TollKeeper
May 8, 2022
Replies
1
Views
1K
May 8, 2022
Mooseman
S
Trans. line bracket
Stuntmanmike1977
May 1, 2022
Replies
1
Views
611
May 1, 2022
Stuntmanmike1977
S
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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