Vortec 4.2L I-6

Sticky threads

Mooseman
  • Sticky
4.2L (LL8) DTC Engine Diagnostic Parameters
Replies
3
Views
6K
TJBaker57
TJBaker57
Mooseman
  • Locked
  • Sticky
FAQ: Vortec 4.2L I-6
Replies
1
Views
16K
Mooseman
Mooseman

Normal threads

BVEN
"knocking" my head...
Replies
6
Views
1K
Mike w
Mike w
R
"New" (to me) 02' Envoy and I have a cylinder 2 misfire?!?
Replies
8
Views
1K
Mark20
Mark20
M
"Shudder" at idle
Replies
18
Views
2K
mcc
M
mrrsm
"The GM Vortec LL8 Links and Specs Library"
Replies
3
Views
16K
ToddTNP
ToddTNP
N
"Tinny" noise while running and after shutoff? (Video)
Replies
7
Views
1K
IllogicTC
IllogicTC
T
NEED HELP "Top End Soak" ... question
Replies
11
Views
6K
TollKeeper
TollKeeper
C
#2 cylinder Wet
Replies
22
Views
2K
Cooztwo
C
DenaliHD66
#5 misfiring again, now also under acceleration.
Replies
21
Views
2K
DenaliHD66
DenaliHD66
0
'02 Trailblazer VERY rough after warmup (OK while still cold)
Replies
5
Views
1K
mrwitty_1
mrwitty_1
S
'03 occasionally runs rough
Replies
7
Views
954
triz
triz
manoftheearth
'05 GMC ENVOY TPS throttle issues
Replies
57
Views
4K
manoftheearth
manoftheearth
xz5cgb
'05 TB 4.2L Coolant leak on R/H side behind wheel well
Replies
12
Views
17K
Alec Venable
Alec Venable
Regulator
'06 4.2 swap into an '05
Replies
5
Views
2K
limequat
limequat
stvrob
'06 4.2L-Filthy oil inside air plenum.
Replies
38
Views
25K
59840Surfer
59840Surfer
R
'06 engine ring/bearing/valve job
Replies
53
Views
6K
rchalmers3
R
DenaliHD66
'07+ Cams
Replies
3
Views
1K
fishsticks
fishsticks
G
(fixed) Engine whine I cannot pin down - definitely related to serpentine belt
Replies
19
Views
3K
Brian K
B
6stringbass
(the dreaded) P0171 and evap system test never passes
Replies
10
Views
3K
Reprise
Reprise
Harpo
-02 and -05 injectors
Replies
5
Views
792
Harpo
Harpo
GMfever
02 no start now but no dash cluster 1st
Replies
19
Views
6K
GMfever
GMfever
1
02 Bravada dies on Interstate....Cause?
Replies
59
Views
7K
1968Case580CK
1
D
02 Envoy 4 wheel drive issue
Replies
2
Views
696
Dave606
D
S
NEED HELP 02 Envoy cooling issues
Replies
7
Views
737
Scooter72
S
Y
02 Envoy died while driving "low oil pressure" wont re start
Replies
7
Views
3K
YoMatt12
Y
J
NEED HELP 02 envoy rep
Replies
15
Views
2K
Mooseman
Mooseman
GMfever
02 envoy xl alternator
Replies
9
Views
1K
GMfever
GMfever
02blackenvoy
02 Envoy, sluggish, horrible mileage
Replies
7
Views
2K
02blackenvoy
02blackenvoy
9
02 Envoy, update PCM with 2005+
Replies
6
Views
2K
The_Roadie
The_Roadie
J
02 Envoy/TB fan clutch difference???
Replies
1
Views
748
The_Roadie
The_Roadie
M
02 EXT exhaust sounding louder, I think its time
Replies
4
Views
801
moneypit
M
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