Vortec 4.2L I-6

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Mooseman
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FAQ: Vortec 4.2L I-6
Replies
1
Views
18K
Mooseman
Mooseman
Mooseman
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4.2L (LL8) DTC Engine Diagnostic Parameters
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3
Views
6K
TJBaker57
TJBaker57

Normal threads

B
PO171 and PO172??
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21
Views
230
benjaminblazer
B
Sqrly
How to do a fuel pressure leak down test on a 2004 4.2 i6?
Replies
5
Views
70
TJBaker57
TJBaker57
P
Tackling issues
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8
Views
194
patrickd
P
Mooseman
Very Slight Miss at Idle
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60
Views
13K
mrrsm
mrrsm
C
Finally Adding an oil pressure gauge. Should I get one that also gives me oil temp?
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6
Views
365
c good
C
C
Valvoline Restore and Protect? Worth a try?
Replies
4
Views
297
c good
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R
Governor speed limit
Replies
8
Views
193
Mooseman
Mooseman
Alec Venable
Valve cover gaskets...need some input. (2003 GMC Envoy XL 4.2L)
Replies
17
Views
976
Alec Venable
Alec Venable
S
Electric fans
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1
Views
130
Mooseman
Mooseman
D
Anybody interested in a 1000 hp 4.2L project
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2
Views
229
Mooseman
Mooseman
A
NEED HELP Light Rumble...
Replies
21
Views
655
mrrsm
mrrsm
M
Throttle body backprobing
Replies
3
Views
233
mrrsm
mrrsm
doctor al
New driving issue reared it's head
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11
Views
355
Mooseman
Mooseman
M
Issues starting, coolant gauge not reading.
Replies
5
Views
244
Mooseman
Mooseman
C
Toque specs for Rear Diff Cover?
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2
Views
204
c good
C
T
SOLVED! 4.2L LL8 Harmonic Balancer Removal/Installation
Replies
25
Views
11K
TJBaker57
TJBaker57
gmcman
What size threads or adapter to check oil pressure at sending unit
Replies
23
Views
63K
Djhall
D
M
4.2L running hot under load
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29
Views
825
mrwhipper
M
M
LOUD BUZZING FROM UNDER THE HOOD
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2
Views
315
Mooseman
Mooseman
Petnatcar
SMELL OF GAS AFTER DRIVING 2005 4.2L 6
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9
Views
471
Mooseman
Mooseman
S
repair TCC valve or HPtuners?
Replies
1
Views
220
Mooseman
Mooseman
G
NEED HELP 4.2 cylinder sleeve replacement
Replies
44
Views
4K
mrrsm
mrrsm
S
PO442
Replies
204
Views
8K
Stuntmanmike1977
S
T
SOLVED! P0016 Maybe VVT Gear Malfunctioning????
Replies
27
Views
1K
TheOneBlazer
T
C
Fuse box removal..what is next step?.
Replies
3
Views
281
Camdo
C
C
May have found part of my electrical gremlins.
Replies
3
Views
287
c good
C
C
Starter motor install tomorrow....Uggghhh....
Replies
2
Views
233
Mooseman
Mooseman
R
NEED HELP Crank but No start
Replies
10
Views
529
budwich
B
B
Which 4.2 water pump?
Replies
6
Views
484
marineguy99
M
rolo95
NEED HELP 2002 tb Oil leak spilling in to the belt
Replies
13
Views
1K
c good
C
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