Vortec 4.2L I-6

S
Dipstick tubes help
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4
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TequilaWarrior
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G
2006 LL8 - P0171 - Lean LTFT (+12-20%) - Intermittent MIL
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rchalmers3
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T
NEED HELP "Top End Soak" ... question
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New Intermediate Shaft Bearing Sounds & Feels Dry
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coh998
C
C
Baffles Required In New Oil Pan?
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22
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2K
Mirror
Mirror
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There really are two front main seals?
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10
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3K
KWG2005
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K
NEED HELP 2008 Trailblazer No Spark
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13
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2K
budwich
B
C
When should I add Marvel Myster Oil or ATF to the oil.....want to do some add'l cleansing....
Replies
3
Views
845
Ilikemy3s
Ilikemy3s
T
Slow fuel fill, Gas smell. No codes.
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5
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Schurkey
Schurkey
T
4.2 problem
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14
Views
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mrrsm
mrrsm
S
Need wrench sizes
Replies
2
Views
926
rchalmers3
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mrrsm
Choose your New GM 4.2L LL8 Head Gasket WISELY...
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23
Views
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mrrsm
mrrsm
mark'stb
SOLVED! code P0300. What to do next?
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36
Views
7K
flyboy2610
flyboy2610
D
NEED HELP Wiring diagram & pinout chart .
Replies
2
Views
4K
mrrsm
mrrsm
mrrsm
Information on Unique GM 4.2L LL8 Engine Fasteners
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0
Views
1K
mrrsm
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WhiteWolf
NEED HELP Fuel pump relay
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3
Views
757
WhiteWolf
WhiteWolf
M
08’ trail blazer no crank no start
Replies
1
Views
2K
Mooseman
Mooseman
R
RPM's
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36
Views
3K
retiredcopper
R
C
Do I really need 60 oz of AC Delco T.E.C.?
Replies
0
Views
629
c good
C
C
Oil swap to help with piston slap?
Replies
9
Views
3K
TollKeeper
TollKeeper
WeaponX
I need help REALLY bad!
Replies
11
Views
2K
Mooseman
Mooseman
R
Remove and Replace 4.2, 2003 Trailblazer 4wd
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9
Views
5K
rafterk
R
B
2004 envoy 4.2 help me find this noise .
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10
Views
2K
Ben4.2
B
R
Throttle body swap
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10
Views
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Mooseman
Mooseman
J
NEED HELP 02 envoy rep
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15
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Mooseman
Mooseman
L
NEED HELP 2002 GMC envoy won't start
Replies
3
Views
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59840Surfer
59840Surfer
R
Evap
Replies
3
Views
684
JerryIrons
J
Ilikemy3s
SOLVED! Crank no start when rains
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12
Views
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Ilikemy3s
Ilikemy3s
K
Won't start
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12
Views
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mrrsm
mrrsm
Dmflash
Service stabilitrak
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6
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Mooseman
Mooseman
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