Vortec 4.2L I-6

Nvarela64
SOLVED! Low oil pressure 4.2L
Replies
54
Views
11K
Mooseman
Mooseman
J
SOLVED! Alternator not charging
Replies
3
Views
581
joe mama
J
jak03TB
SOLVED! replacement cat
Replies
20
Views
1K
Realism
Realism
T
SOLVED! 4.2L LL8 Harmonic Balancer Removal/Installation
Replies
18
Views
9K
KWG2005
K
S
SOLVED! So begins my P0171 journey.
Replies
6
Views
782
sashainwy
S
S
SOLVED! Transmission shudder at 50-60 mph
Replies
12
Views
3K
santon
S
K
SOLVED! Airbag Light
Replies
13
Views
939
TJBaker57
TJBaker57
808
SOLVED! Pinging/clacking from engine
Replies
22
Views
2K
c good
C
Elizabetty
SOLVED! IAT sensor
Replies
16
Views
2K
movietvet
movietvet
Ilikemy3s
SOLVED! reoccuring low power / limp mode
Replies
19
Views
10K
Mooseman
Mooseman
Elizabetty
SOLVED! Water pump oil and other oil
Replies
9
Views
1K
Mooseman
Mooseman
Elizabetty
SOLVED! Fuel pressure regulator bolts
Replies
7
Views
898
Elizabetty
Elizabetty
Elizabetty
SOLVED! Battery needle hangs then jumps but everything fine?
Replies
8
Views
953
Elizabetty
Elizabetty
Elizabetty
SOLVED! Coolant reservoir cap has me feeling stupid
Replies
11
Views
5K
Mooseman
Mooseman
Elizabetty
SOLVED! Oil on connectors normal over time or signify problem?
Replies
17
Views
3K
Elizabetty
Elizabetty
L
SOLVED! 04 TB LS engine r&r security light solid no crank
Replies
30
Views
2K
fixit
F
C
SOLVED! Fuse 28 PCM-1 blows randomly
Replies
156
Views
20K
rolo95
rolo95
F
SOLVED! 4.2 Sluggish Acceleration and Odd Cold Startup
Replies
25
Views
6K
FlyFish3rman
F
Roamingdoc
SOLVED! Locked in Park, Won't activate starter (or click)...?
Replies
47
Views
4K
Roamingdoc
Roamingdoc
M
SOLVED! 2004 TB 4.2 high idle 3000 rpm
Replies
13
Views
3K
Machineman6981
M
mark'stb
SOLVED! code P0300. What to do next?
Replies
36
Views
7K
flyboy2610
flyboy2610
B
SOLVED! P0017 Assistance
Replies
18
Views
7K
mrrsm
mrrsm
Ilikemy3s
SOLVED! Crank no start when rains
Replies
12
Views
2K
Ilikemy3s
Ilikemy3s
M
SOLVED! P0013 engine turn off
Replies
1
Views
1K
Mooseman
Mooseman
B
SOLVED! Trailblazer running Horrible after alternator replacement
Replies
11
Views
3K
BillVear
B
JayArr
SOLVED! Cooling system test results.
Replies
6
Views
1K
JayArr
JayArr
Nate8727
SOLVED! Noise Underneath & Rear
Replies
3
Views
1K
Nate8727
Nate8727
S
SOLVED! Envoy will not start after a fan clutch and water pump exchange
Replies
16
Views
4K
Schadman
S
M
SOLVED! RPM Drop On Acceleration.
Replies
25
Views
19K
Mektek
M
krighton
SOLVED! Another crank but no start
Replies
15
Views
3K
TJBaker57
TJBaker57
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