Vortec 4.2L I-6

limequat
2002 - 2005 Turbo Tune Now Available!
Replies
10
Views
6K
kardain
kardain
Gerbil21
2 quarts of oil, no big symptoms and no leaks?
Replies
81
Views
11K
Gerbil21
Gerbil21
KNBlazer
190,000 Miles 2004 TB EXT 4.2
Replies
68
Views
4K
loondog33
loondog33
NateDG
160,xxx miles; first plugs change
Replies
11
Views
1K
Wooluf1952
Wooluf1952
Beacon
15mm spark plug?
Replies
3
Views
2K
mrrsm
mrrsm
fadyasha
10w-40 engine oil
Replies
4
Views
1K
fadyasha
fadyasha
R
100K maintenance advice
Replies
5
Views
1K
tom1999d
T
S
100k Maintenance
Replies
16
Views
2K
swaffdn
S
Y
100,000 mile tune-up ? ? ?
Replies
5
Views
1K
Gevans17
G
M
08’ trail blazer no crank no start
Replies
1
Views
2K
Mooseman
Mooseman
WarenR
08 TB will no start after engine swap
Replies
13
Views
2K
Emilya0713
Emilya0713
J
NEED HELP 08 envoy problems
Replies
3
Views
1K
Ziggy
Ziggy
Y
07 trailblazer 4.2L crank . no start
Replies
41
Views
4K
Mooseman
Mooseman
J
07 TB torque converter
Replies
5
Views
971
Capote
Capote
B
07 TB 4.2: Changed Evap Vent Solenoid - Engine won't start
Replies
3
Views
1K
jeffgutierrez
J
russ455
07 Rainier runs cool........maybe
Replies
2
Views
759
Wooluf1952
Wooluf1952
MAY03LT
07 I6 with engine damage @ 74K
Replies
7
Views
1K
ScarabEpic22
ScarabEpic22
K
07 engine replace after broken rod.. no start
Replies
47
Views
4K
kincadefoster
K
kawaholic
06 Trailblazer with a persistent p0335 code
Replies
16
Views
7K
kawaholic
kawaholic
kevin carvajal
06 trailblazer ext shaking!!!!!
Replies
19
Views
5K
chogardjr
C
0
06 Trailblazer EXT leaking coolant by driver side rear tire
Replies
4
Views
9K
DocBrown
DocBrown
D
06 Trailblazer 4 Wheel Drive Issue!
Replies
6
Views
2K
The_Roadie
The_Roadie
D
06 trailblazer - No start, No crank - new starter, Ignition switch, starter relay
Replies
4
Views
15K
DenaliHD66
DenaliHD66
B
06 Saab 9-7X AC over pressure valve
Replies
2
Views
494
Berns
B
gmcman
06 or newer heads on a 02
Replies
1
Views
1K
limequat
limequat
S
06 Envoy Tranny Issue
Replies
7
Views
991
Mounce
Mounce
0
06 CAI
Replies
29
Views
2K
Blckshdw
Blckshdw
H
NEED HELP 06 and 08 engines
Replies
4
Views
746
gmcman
gmcman
M
06 4.2 CEL
Replies
22
Views
2K
M-Ernst
M
1
05 Trailblazer stalls sometimes with AC on
Replies
3
Views
844
signalnc
S
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