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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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NEED HELP
Questionable Play in Water Pump
therealsethallen
Jul 1, 2016
Replies
4
Views
644
Jul 1, 2016
therealsethallen
B
NEED HELP
Question?🤔
Bronsonc1856
Jul 30, 2021
Replies
4
Views
861
Aug 3, 2021
Mektek
M
S
NEED HELP
Power steering pump squeak
selectah77
Feb 20, 2017
Replies
1
Views
3K
Feb 21, 2017
Mooseman
H
NEED HELP
Potential reasons for code's?
Hearnrobert2828
Dec 13, 2019
Replies
2
Views
1K
Dec 15, 2019
TJBaker57
NEED HELP
PCM Questions
SnowBlazer
Feb 23, 2016
Replies
26
Views
2K
Feb 26, 2016
limequat
U
Solved
NEED HELP
P1860 and other codes
Uncleenvoy
Apr 17, 2020
Replies
30
Views
3K
Jun 7, 2020
Uncleenvoy
U
D
NEED HELP
P1514 TAC System MAF Performance
darsch
Jan 26, 2017
Replies
17
Views
5K
Feb 23, 2017
darsch
D
T
NEED HELP
P1514 rough idle won't turn over
tk_427
Feb 11, 2019
Replies
2
Views
1K
Feb 11, 2019
Mooseman
NEED HELP
P1271 p1484 reduced engine power and ses
yazan
Jan 25, 2017
Replies
9
Views
2K
Jan 31, 2017
Mooseman
NEED HELP
P1221 . engine power reduced
yazan
Aug 8, 2019
Replies
9
Views
7K
Aug 13, 2019
Mooseman
NEED HELP
P1120: Throttle Position Sensor Out of Range
NoDak Ninja
Mar 22, 2017
Replies
5
Views
9K
Apr 2, 2017
NoDak Ninja
A
NEED HELP
P0507 After Cleaning Throttle Body
aaronv54
Apr 18, 2019
Replies
6
Views
6K
Apr 20, 2019
Mooseman
D
NEED HELP
P0496 06 LS 4WD 4.2
DirtinLa
Feb 6, 2017
Replies
4
Views
1K
Feb 8, 2017
Mooseman
NEED HELP
P0455 EVAP System Performance Problem
dieselscrub
Dec 5, 2018
Replies
4
Views
1K
Mar 5, 2020
Brian K
B
T
NEED HELP
P0443 and P0449 After Remote Start Install
TB_n00b
Feb 2, 2016
Replies
5
Views
1K
Feb 8, 2016
TB_n00b
T
NEED HELP
P0440 code popped up again
AzTruckGuy
Aug 28, 2016
Replies
7
Views
1K
Aug 29, 2016
AzTruckGuy
F
NEED HELP
p0340
Frankd1
Feb 18, 2019
Replies
9
Views
1K
Feb 27, 2019
Maverick6587
K
NEED HELP
P0304
killer cougar
Feb 12, 2016
Replies
11
Views
1K
May 30, 2016
Mooseman
NEED HELP
P0301 then P0300. Please help.
joepro17
May 12, 2017
Replies
12
Views
1K
May 26, 2017
NJTB
N
NEED HELP
P0300 p1514, engine power reduced, white smoke
yazan
Mar 18, 2019
2
3
Replies
81
Views
12K
May 8, 2019
Mooseman
W
NEED HELP
P0300
winston
Apr 2, 2020
Replies
9
Views
3K
Apr 2, 2020
winston
W
R
NEED HELP
P0171 Lean Code
Reed
Jun 20, 2019
Replies
26
Views
6K
Jun 23, 2020
zaid3ssaf
NEED HELP
P0171 Code causing high idle and poor fuel mileage!
ghost_leader07
Feb 27, 2021
Replies
21
Views
4K
Mar 11, 2021
gmcman
B
NEED HELP
P0171
bazza7548
Aug 6, 2020
Replies
8
Views
1K
Aug 6, 2020
TJBaker57
P
NEED HELP
P0102 and P2101
pell
Apr 21, 2023
Replies
9
Views
779
May 7, 2023
pell
P
NEED HELP
P0017 CPAS replaced. and still have the code
yazan
Feb 1, 2021
Replies
8
Views
2K
Feb 3, 2021
Mooseman
G
NEED HELP
P0014 Camshaft Phasing System Malfunction
G8a550
Feb 25, 2016
Replies
8
Views
7K
Mar 1, 2016
Mooseman
NEED HELP
overheating 2002 TB EXT
bobo52
Apr 16, 2021
Replies
16
Views
2K
Apr 19, 2021
bobo52
NEED HELP
Oil Pressure Switch Filter?
mpd13078
Jul 19, 2017
Replies
3
Views
4K
Sep 28, 2017
gmtofd
G
NEED HELP
Oil Pressure guage drops to zero (sometimes) during idle
stvrob
Jun 26, 2023
Replies
5
Views
604
Jun 27, 2023
TJBaker57
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Engine & Drivetrain
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