Vortec 4.2L I-6

BlueDazing
NEED HELP 2002 Chevy Trailblazer no crank
Replies
158
Views
7K
TJBaker57
TJBaker57
Drec
NEED HELP Looking for info on testing COP, good ohm range
Replies
1
Views
322
TJBaker57
TJBaker57
T
NEED HELP After putting in new rebuild 4.2 Envoy can't get it to start up.
Replies
7
Views
566
azswiss
azswiss
A
NEED HELP Clean Throttle & MAF Sensor... Still Rough at Idle...
Replies
8
Views
673
mrrsm
mrrsm
JayArr
P0135
Replies
23
Views
937
Mooseman
Mooseman
T
SOLVED! 4.2L LL8 Harmonic Balancer Removal/Installation
Replies
18
Views
9K
KWG2005
K
K
Which way do the main bearings go on 4.2?
Replies
25
Views
1K
mrrsm
mrrsm
S
There really are two front main seals?
Replies
10
Views
3K
KWG2005
K
JayArr
Weird Cooling problem
Replies
30
Views
1K
JayArr
JayArr
E
2005 Envoy Cranks will not start.
Replies
5
Views
474
Envoywarrior
E
S
HVAC Blend door actuator malfunction
Replies
4
Views
1K
sweettsinger
S
A
NEED HELP Manually Adjust Transfer Case Position?
Replies
21
Views
2K
AC75TB07
A
J
4.2 timing chain
Replies
31
Views
4K
mrrsm
mrrsm
S
Timing chain concern delaying cylinder head repair
Replies
41
Views
4K
mrrsm
mrrsm
Daniel644
Stuff on the Screens
Replies
10
Views
692
Daniel644
Daniel644
W
2008 Trailblazer O2 Sensor Success, Rust Belt
Replies
11
Views
1K
Brian K
B
6716
I may have found the source of the misfire
Replies
19
Views
3K
6716
6716
I
Is my engine knocking?
Replies
20
Views
1K
Aroc
Aroc
S
blend door actuator malfunction
Replies
2
Views
545
Mooseman
Mooseman
S
NEED HELP difference between a 2005 4.2l and a 2006 4.2l short block
Replies
2
Views
557
Mooseman
Mooseman
jmonica
O2 Sensor little to no voltage Bank 1 Sensor 1
Replies
5
Views
1K
jmonica
jmonica
jmonica
Call for help PLEASE Any other stuck O2 Sensor Suggestions?
Replies
10
Views
712
gmcman
gmcman
S
NEED HELP 02 Envoy cooling issues
Replies
7
Views
737
Scooter72
S
Elizabetty
Steering wheel theft deterrent lock burning hot
Replies
11
Views
2K
RmbrNoel03EXT
R
stvrob
NEED HELP Oil Pressure guage drops to zero (sometimes) during idle
Replies
5
Views
584
TJBaker57
TJBaker57
jmonica
Coolant pouring out of reservoir when trying to fill
Replies
3
Views
381
Blckshdw
Blckshdw
S
SOLVED! So begins my P0171 journey.
Replies
6
Views
757
sashainwy
S
C
Baffles Required In New Oil Pan?
Replies
22
Views
2K
Mirror
Mirror
zaid3ssaf
Clunking noise on light acceleration
Replies
7
Views
2K
zaid3ssaf
zaid3ssaf
02 green tb
micro bubbles in my oil ???
Replies
8
Views
4K
mrrsm
mrrsm
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