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Forums
TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
Vortec 4.2L I-6
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Please help me identify what I'm looking at
Elizabetty
Feb 18, 2023
Replies
13
Views
992
Mar 2, 2023
Elizabetty
G
yes another P0171 and 900 RPM thread that needs your help
gica
Feb 17, 2023
2
Replies
65
Views
3K
Mar 22, 2023
gica
G
Stubborn splice pack comb? Serial data bus
Elizabetty
Feb 14, 2023
Replies
2
Views
623
Feb 14, 2023
mrrsm
A larger/taller oil filter
paul2005tb
Feb 12, 2023
Replies
11
Views
1K
Mar 13, 2023
Mooseman
3 cut wires (pic)
Elizabetty
Feb 11, 2023
Replies
2
Views
613
Feb 11, 2023
Elizabetty
Parasitic draw clarification
Elizabetty
Feb 11, 2023
Replies
6
Views
961
Feb 11, 2023
mrrsm
C
No Mess Engine Oil Filter Change
Camdo
Feb 5, 2023
Replies
29
Views
2K
Mar 13, 2023
TollKeeper
G106 alternative location
Elizabetty
Feb 2, 2023
Replies
9
Views
2K
Feb 8, 2023
mrrsm
T
Hesitation when accelerating from a dead stop
TobyP
Jan 26, 2023
2
Replies
53
Views
4K
Apr 17, 2023
TobyP
T
Fan clutch bearing? Assembly? Shaft?
Elizabetty
Jan 26, 2023
Replies
9
Views
1K
Jan 26, 2023
Elizabetty
SOLVED!
Water pump oil and other oil
Elizabetty
Jan 21, 2023
Replies
9
Views
1K
Jan 22, 2023
Mooseman
SOLVED!
Pinging/clacking from engine
808
Jan 18, 2023
Replies
22
Views
2K
Feb 8, 2023
c good
C
Atlas 4.2L LL8 Timing-Bare-Bones-Bulletproof-Cyclopedic-Set&Reset
808
Jan 11, 2023
Replies
3
Views
856
Jan 11, 2023
808
SOLVED!
Battery needle hangs then jumps but everything fine?
Elizabetty
Jan 9, 2023
Replies
8
Views
875
Jan 9, 2023
Elizabetty
Atlas 4.2L LL8 Exhaust Camshaft Position Actuator - (CMP) Sensor - VVT Cam Phaser - DIAGNOSIS/BENCH TEST/FINAL INSTALL ORIENTATION
808
Jan 8, 2023
Replies
4
Views
3K
Jan 10, 2023
808
E
NEED HELP
Envoy Parasitic battery drain
evcorchado
Jan 3, 2023
Replies
1
Views
732
Jan 3, 2023
Mooseman
Two missing bolts? (Pics)
Elizabetty
Jan 2, 2023
Replies
2
Views
1K
Jan 26, 2023
Elizabetty
Disconnected ground? (pic)
Elizabetty
Dec 31, 2022
Replies
7
Views
1K
Feb 2, 2023
movietvet
SOLVED!
Fuel pressure regulator bolts
Elizabetty
Dec 31, 2022
Replies
7
Views
840
Jan 9, 2023
Elizabetty
P0442 small evap leak
Dmflash
Dec 31, 2022
Replies
8
Views
851
Dec 31, 2022
Dmflash
SOLVED!
Coolant reservoir cap has me feeling stupid
Elizabetty
Dec 28, 2022
Replies
11
Views
5K
Dec 31, 2022
Mooseman
'05 GMC ENVOY TPS throttle issues
manoftheearth
Dec 21, 2022
2
Replies
57
Views
4K
Jan 18, 2023
manoftheearth
SOLVED!
IAT sensor
Elizabetty
Dec 17, 2022
Replies
16
Views
2K
Feb 5, 2023
movietvet
R
P0306
retiredcopper
Dec 13, 2022
Replies
17
Views
890
Dec 20, 2022
mrrsm
SOLVED!
Oil on connectors normal over time or signify problem?
Elizabetty
Dec 7, 2022
Replies
17
Views
3K
Dec 17, 2022
Elizabetty
S
HVAC Blend door actuator malfunction
sweettsinger
Nov 30, 2022
Replies
4
Views
1K
Aug 23, 2023
sweettsinger
S
L
SOLVED!
04 TB LS engine r&r security light solid no crank
Livnonthedge
Nov 27, 2022
Replies
30
Views
2K
Dec 11, 2022
fixit
F
A
Limited throttle
ALS23
Nov 26, 2022
Replies
0
Views
834
Nov 26, 2022
ALS23
A
W
2004 envoy xuv 4.2l suddenly wont start but cranks
Waway
Nov 18, 2022
Replies
8
Views
1K
Nov 24, 2022
c good
C
P0014 P0017 P0480
yazan
Nov 16, 2022
Replies
5
Views
1K
Nov 16, 2022
Mooseman
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TrailBlazer, Envoy, 9-7x, Ascender, Rainer, & Bravada
Engine & Drivetrain
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