Vortec 4.2L I-6

M
NEED HELP How to properly pin point a code C0306
Replies
5
Views
5K
budwich
B
H
NEED HELP A/C Blowing hot air most of the time!
Replies
30
Views
4K
Hobbyist4Life
H
H
NEED HELP 2007 Trailblazer fan clutch questions
Replies
20
Views
4K
Mike534x
Mike534x
R
NEED HELP Engine Knock and Running Rich
Replies
15
Views
4K
mrrsm
mrrsm
rizzo20
NEED HELP Mysterious goop inside intake resonator
Replies
10
Views
4K
rizzo20
rizzo20
D
NEED HELP Chasing Gremlins?
Replies
23
Views
4K
Mektek
M
0
NEED HELP Oil pan removal/rod bearings
Replies
4
Views
4K
Mooseman
Mooseman
mpd13078
NEED HELP Oil Pressure Switch Filter?
Replies
3
Views
4K
gmtofd
G
Feritas
NEED HELP 2008 Envoy SLE - Oil Life Monitor PID
Replies
15
Views
4K
C-ya
C-ya
S
NEED HELP Multiple codes
Replies
32
Views
4K
KEEBZ489
K
therealsethallen
NEED HELP Idle Hunting While Using Air Conditioning
Replies
28
Views
4K
therealsethallen
therealsethallen
D
NEED HELP Wiring diagram & pinout chart .
Replies
2
Views
4K
mrrsm
mrrsm
palitoiii
NEED HELP Coolant Drip/Leak Driver's side
Replies
5
Views
4K
Mooseman
Mooseman
ghost_leader07
NEED HELP P0171 Code causing high idle and poor fuel mileage!
Replies
21
Views
4K
gmcman
gmcman
ghost_leader07
NEED HELP Wet Coil Pack on CL#06
Replies
18
Views
4K
ThatOneWhiteTruck
T
P
NEED HELP Had one code now have two.
Replies
30
Views
3K
djthumper
djthumper
C
NEED HELP SOLVED!!! : finally finished engine swap, now problem with gear indicator
Replies
4
Views
3K
jsheahawk
jsheahawk
U
  • Solved
NEED HELP P1860 and other codes
Replies
30
Views
3K
Uncleenvoy
U
0
NEED HELP New buy- rod knock
Replies
31
Views
3K
gmcman
gmcman
R
NEED HELP Need to replace 2006 4.2L
Replies
31
Views
3K
Ryan C
R
M
NEED HELP Transfer case issues
Replies
28
Views
3K
matty8412
M
Brando_TB
NEED HELP 02 EXT LT, P1860, P740, P753, P758, P785. Under-hood fuse #34 blown
Replies
24
Views
3K
Brando_TB
Brando_TB
S
NEED HELP Power steering pump squeak
Replies
1
Views
3K
Mooseman
Mooseman
D
NEED HELP Motor Mount Replacement Issues
Replies
7
Views
3K
deagle12
D
xavierny25
NEED HELP New fuel pump in and now a whole new problem.
Replies
29
Views
3K
mrrsm
mrrsm
D
NEED HELP SAIS pump problem
Replies
31
Views
3K
daisey
D
NelliM60
NEED HELP Battery and Alternator for Sound System Upgrade
Replies
23
Views
3K
HARDTRAILZ
HARDTRAILZ
T
NEED HELP VVT Oiling
Replies
14
Views
3K
Mooseman
Mooseman
G
NEED HELP used 4.2l engine replacement
Replies
14
Views
3K
gmc4flash
G
W
NEED HELP P0300
Replies
9
Views
3K
winston
W
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