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Avalanche Owners Zone
Chevrolet Avalanche Problems, Q&A
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Problems: Engine
Problems, questions & answers about: Engine, exhaust, fuel system; wont start, runs rough, Check engine light, etc
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PCV valves? GM design nightmare!
Wpolonavyguy
Feb 8, 2020
Replies
5
Views
469
Yesterday at 4:42 PM
EXT4ME
T
INTERMIDIATE CEL
topher5150
Feb 11, 2022
Replies
1
Views
134
Yesterday at 12:51 PM
Wpolonavyguy
N
occasional stalling at stops and misses pulling away
nomad66
Nov 12, 2012
2
Replies
28
Views
5K
Yesterday at 11:50 AM
carmenaguirretx
C
Crankshaft Position Sensor Leak
SlimShad3y
Oct 15, 2022
Replies
1
Views
104
Yesterday at 9:44 AM
Wpolonavyguy
A
Extremely Low oil pressure at startup while idling
acedown13
Mar 27, 2018
2
Replies
45
Views
6K
Friday at 1:32 AM
adamg
A
Fill gas tank help
Rael
Aug 20, 2022
Replies
7
Views
271
Thursday at 4:30 PM
BainMan
P
Misfire on cylinder 1
prfrmr3
Jan 24, 2023
Replies
2
Views
77
Wednesday at 10:46 PM
07AVSS
Motor Mount
bjdzyak
Sep 29, 2022
Replies
12
Views
367
Jan 20, 2023
BainMan
S
Oil Pan leak
Salaz66r
Jan 20, 2023
Replies
0
Views
39
Jan 20, 2023
Salaz66r
S
New to AV and engine concerns
JawzNClawz
Jan 15, 2023
Replies
2
Views
68
Jan 15, 2023
greatgab
C
Measurements for fuel pump access door (PIC INCLUDED!)
cbouissey12
Mar 13, 2015
Replies
21
Views
20K
Jan 12, 2023
tblt44
T
Clear code?
Brokearrow
Jan 8, 2023
Replies
3
Views
95
Jan 8, 2023
2004Slickside
2
R
Mystery engine cutting off while driving
rugergp100
Jan 24, 2012
Replies
20
Views
25K
Jan 8, 2023
MstBmsbhvn
S
08 running rich, misfires and foul plugs on one side
Sad_ant
Jan 4, 2023
Replies
7
Views
120
Jan 7, 2023
Sad_ant
S
C
Excited owner of my 2nd av this one is a 2007 Lt having issues with dying while driving with no codes showing?
Chaz
Jan 7, 2023
Replies
0
Views
53
Jan 7, 2023
Chaz
C
Is there an inexpensive fix possibly to the following Reduce Power light (throttle body/sensors/wiring)?
IBleedBlues
Feb 6, 2022
Replies
8
Views
332
Jan 1, 2023
Corndog Man
Check Engine light - code indicates Intake Air Temp sensor
billk37
Dec 31, 2022
Replies
0
Views
53
Dec 31, 2022
billk37
Loud Chirping on Acceleration
Drew
Dec 27, 2022
Replies
2
Views
102
Dec 28, 2022
BioMass
Reduced Power u0107 help please
1mightymoose
Dec 27, 2022
Replies
2
Views
90
Dec 27, 2022
polo15129
P
Testing block heater cord
spidey
Dec 24, 2017
Replies
6
Views
3K
Dec 21, 2022
Gagemf
G
S
Coil problems
Smallmouth55
Sep 17, 2022
Replies
9
Views
346
Dec 19, 2022
joendoodle
N
'13 with 140K miles - Po15D - Ho2S Delayed Response Lean to Rich Bank 2 Sensor 1
nhhandyman
Dec 21, 2020
Replies
21
Views
1K
Dec 8, 2022
nhhandyman
N
R
Engine low on power, plus other stuff
RCBearings
May 28, 2018
Replies
11
Views
741
Dec 7, 2022
BioMass
What other 5.3 will fit?
1000000to1
Jun 25, 2012
Replies
17
Views
22K
Dec 3, 2022
07AVSS
P
2004 Avalanche Crank, but no start
pvnova73
Nov 25, 2022
Replies
7
Views
182
Nov 28, 2022
ToyHauler13
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Chevrolet Avalanche Problems, Q&A
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