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Vortec 4800 4.8L V8
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10 mpg 70% highway 30% city, why is it so bad
Harmonica
15 h ago
9
140
3 h ago
by
Sperry
2013 Sierra with original plugs @ 102,000
Sperry
10 d ago
Poll
2
22
816
4 d ago
by
Sperry
J
Overheating and no heat
Jsundgren91
Oct 12, 2020
12
2K
5 d ago
by
04LTSilvy
C
Silverado 4.8 Delayed start / long crank when warm
cherman99676
Mar 8, 2019
2
3
56
8K
10 d ago
by
Carls01Silv
Help with p0122
OlWhiskey
15 d ago
4
147
13 d ago
by
shakenfake
H
P0101 Code help needed
hunter.mckibben
16 d ago
4
163
16 d ago
by
B52Bombardier1
Swap radiator support *without* disconnecting radiator?
monddan
1 mo ago
3
344
16 d ago
by
monddan
M
07 4.8 silverado. po69e, po191
Maddog56
16 d ago
0
189
16 d ago
by
Maddog56
O
02 silverado 1500 4x4 vibration issues
oortiz538
22 d ago
Redirect
–
–
N/A
K
normal operating temp.
Kerry 55
May 19, 2013
16
33K
27 d ago
by
GBSierraSLE
G
Chev 4.8 poof noise
gmaj
1 mo ago
4
242
1 mo ago
by
peewee0413
Chasing down catalyst codes
Jtyson
2 mo ago
13
473
1 mo ago
by
shakenfake
2000 GMC Sierra 1500 4.8L Voltage problem
MeticulousTech1
2 mo ago
1
211
2 mo ago
by
B52Bombardier1
M
Knock sensors
mdmchevy93
2 mo ago
6
309
2 mo ago
by
mdmchevy93
Runs great, once it will start!
sherrylinngreen
2 mo ago
1
236
2 mo ago
by
B52Bombardier1
Lifter tick
ChevyboyT
2 mo ago
4
441
2 mo ago
by
RGene111
Need help
87chevy
6 mo ago
2
447
2 mo ago
by
87chevy
H
99 Silverado bucking
horriblemechanic
2 mo ago
5
322
2 mo ago
by
peewee0413
C
Annoying dropping oil pressure
Chevy21
2 mo ago
2
26
771
2 mo ago
by
Bradley21sanders
C
Oil pressure gauge problems
CHEAPTRUCK
Nov 18, 2013
4
1K
2 mo ago
by
davester3500
Motor Flush
rjdyson316
8 mo ago
9
1K
2 mo ago
by
Leveled17yeti
My 4.8 making metalish squeaking noise after it warms up need help please help can't figure it out it's coming from the harmonic balancer area but sou
liljoethedon1117
2 mo ago
6
443
2 mo ago
by
Tbone Shuffle
R
Engine shops in Atlanta Ga
Rafiki
3 mo ago
8
488
3 mo ago
by
Scrapyard John
B
Replaced knock sensors now it's really messed up
bob2692005
3 mo ago
3
446
3 mo ago
by
bob2692005
C
Possible water pump change out, confirmation? Picture
Carmelo2215
3 mo ago
6
550
3 mo ago
by
Chevy-SS
L
Vented oil filler cap?
Lsxtrucker
3 mo ago
4
460
3 mo ago
by
Larry-Cleveland
W
Cruise control won’t work, already replaced brake light switch
Will9581
3 mo ago
10
465
3 mo ago
by
02-Z71
C
Maf sensor no voltage or signal
Cotyrob05
3 mo ago
3
438
3 mo ago
by
Leveled17yeti
L
Upper radiator hose retention clip?
Lsxtrucker
3 mo ago
6
699
3 mo ago
by
Artc
Heat/air conditioner stopped working .heatercore?now radiator leaking coolant .help please.
joshyoww04
3 mo ago
10
431
3 mo ago
by
joshyoww04
S
Tune vs Throttle Booster
sirjames
3 mo ago
8
666
3 mo ago
by
sirjames
4.8L- Oil Pump/ Funky Oil Pressure- Future Engine Swap?
CPolson74
3 mo ago
3
431
3 mo ago
by
peewee0413
M
4.8 cam options
mdmchevy93
3 mo ago
5
475
3 mo ago
by
mdmchevy93
Starting problems
aprilholder03
3 mo ago
2
393
3 mo ago
by
Lazytek
Chevy 4.8
Sebastian345
3 mo ago
6
474
3 mo ago
by
Sebastian345
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Vortec 4800 4.8L V8
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