Vortec 4.2L I-6

A
Limited throttle
Replies
0
Views
876
ALS23
A
H
NEED HELP Fuel Pressure regulator location
Replies
19
Views
2K
Harut
H
W
2004 envoy xuv 4.2l suddenly wont start but cranks
Replies
8
Views
1K
c good
C
yazan
P0014 P0017 P0480
Replies
5
Views
1K
Mooseman
Mooseman
W
P2440 and P0411, Secondary Air Injection
Replies
7
Views
3K
wormwood1978
W
G
2003 Envoy XL SLE - SES & REP comes on randomly
Replies
13
Views
3K
Berniedorf
B
C
Low Oil Pressure reading?
Replies
22
Views
2K
TJBaker57
TJBaker57
rolo95
TB 2002 heater quick disconnect part numbers
Replies
3
Views
1K
Mooseman
Mooseman
S
How old is too old
Replies
5
Views
1K
flyboy2610
flyboy2610
F
2002 Envoy 4.2 engine noise need help!
Replies
14
Views
4K
Mooseman
Mooseman
C
SOLVED! Fuse 28 PCM-1 blows randomly
Replies
156
Views
20K
rolo95
rolo95
LordBear
baffled with engine miss and over heating
Replies
3
Views
1K
Mooseman
Mooseman
B
No vacumm at all
Replies
19
Views
1K
Mooseman
Mooseman
T
05 TB EXT - Service 4WD light on - No 4WD
Replies
18
Views
2K
TollKeeper
TollKeeper
F
SOLVED! 4.2 Sluggish Acceleration and Odd Cold Startup
Replies
25
Views
6K
FlyFish3rman
F
V
Rod Knock -Replace or Repair?
Replies
5
Views
2K
Mooseman
Mooseman
G
2006 LL8 - P0171 - Lean LTFT (+12-20%) - Intermittent MIL
Replies
9
Views
2K
rchalmers3
R
C
Should I get a "back up" PCM now?
Replies
2
Views
1K
c good
C
Roamingdoc
SOLVED! Locked in Park, Won't activate starter (or click)...?
Replies
47
Views
4K
Roamingdoc
Roamingdoc
S
2005 TB plug is stuck, misfire
Replies
9
Views
1K
NJTB
N
T
4.2 problem
Replies
14
Views
3K
mrrsm
mrrsm
0
03 TB Cam shaft positioning sensor issues
Replies
3
Views
1K
budwich
B
mrrsm
The $85,000.00 GM 4.2L Engine Repair
Replies
189
Views
51K
03TrailblazerNut
0
D
Free set of tires but will they fit?
Replies
2
Views
779
Dieseldog
D
D
Oil filter autopsy after MMO
Replies
5
Views
1K
Dieseldog
D
K
Door Check Strap Hole?
Replies
5
Views
1K
krunal88
K
M
SOLVED! 2004 TB 4.2 high idle 3000 rpm
Replies
13
Views
3K
Machineman6981
M
J
What is this connector near the AC compressor? (Plus oil pickup tube gasket fiasco.)
Replies
7
Views
1K
jcloninger
J
jmonica
Codes and symptoms sans thoughts
Replies
29
Views
2K
Mooseman
Mooseman
JayArr
2006 head on 2005 block?
Replies
4
Views
989
limequat
limequat
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