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High Performance
This subsection is strictly devoted to discussions regarding Kia Optima Performance tuning, upgrades, and builds. All other general engine discussions should be in the Optima Engine and Technical section.
3.5K
1.4M
Nov 17, 2023
3.5K
1.4M
Nov 17, 2023
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[ALL] :
Sticky
Engine Failures - Share Your Experience
Munky
Apr 5, 2016
31
32
33
657
246K
Feb 20, 2024
by
salvagecars21
[ALL] :
Sticky
THE Oil Discussion Thread
RedHotDamn!
May 17, 2012
36
37
38
740
359K
Apr 30, 2023
by
Corvegis
Sticky
Engine "Simulator"
RedHotDamn!
Nov 18, 2013
2
28
29K
May 28, 2020
by
natelive
H
Sticky
Steering Mode Discussion - **Dealer Change Only**
holmes89135
Aug 31, 2013
37
38
39
760
412K
Apr 22, 2020
by
Akina's K5
[ALL] :
Sticky
Exhaust Videos (feel free to add)
haveatank
Mar 20, 2013
4
5
6
108
63K
Mar 1, 2017
by
Broncoboogieman
G
Can I use any aftermarket spark plug or does Kia have certain demands?
Gettin by
1d ago
2
57
10h ago
by
Gettin by
[LX] :
Loss of Acceleration
lucius27d
Mar 10, 2024
1
97
4d ago
by
SXexcess
Engine suddenly locked, needs replacing
sherilee.aragon
Jan 10, 2023
49
7K
4d ago
by
Randy Hummel
(Brake) Electric Vacuum Pump (FIXED)
dmadcols
May 14, 2022
2
2K
Mar 11, 2024
by
toebob
J
Oil Pan Grommet
Jeeps426
Nov 21, 2023
2
497
Mar 5, 2024
by
dalilpony
V
Firm up the shift points?
Valleyguy
Aug 12, 2016
1
1K
Mar 5, 2024
by
Raybo
O2 Sensor Extension Harness
johnbolivarbrethren
May 23, 2022
18
2K
Mar 2, 2024
by
Evan rod
[ALL] :
Transmission differences between trims- 2018 Models
PandorasFlame
Feb 4, 2024
8
504
Feb 29, 2024
by
OliverHuntx
Optima 2.0turbo performance upgrade
Gremlinsteve
Sep 21, 2019
13
6K
Feb 29, 2024
by
OliverHuntx
[SX] :
Brake Bleeding, Pads very tight
chrisingrassia
Jun 1, 2014
17
10K
Feb 28, 2024
by
OliverHuntx
Traction light and Auto Hold light random
Highelfaf
Jul 31, 2022
5
4K
Feb 27, 2024
by
Mphillips80
A
[SX-T] :
Lack of Turbo Activation
AllLouis
Jan 3, 2024
23
961
Feb 27, 2024
by
dalilpony
Car lost power while driving down the highway
elseyb503
Dec 21, 2023
31
2K
Feb 27, 2024
by
OliverHuntx
Flex fuel ?
Krinashix24
Feb 6, 2024
5
330
Feb 27, 2024
by
hanruza33
M
Hybrid HV battery on national back order
Microsci
Jan 2, 2024
1
338
Feb 24, 2024
by
SXexcess
S
4B11T
steampig
Nov 22, 2021
8
4K
Feb 23, 2024
by
Justin Lugo
D
‘09 Optima unknown power/brake issue
Djnowak
Feb 18, 2024
0
118
Feb 18, 2024
by
Djnowak
E
Kia optima won't start!
EricaAquino
Jan 30, 2024
3
398
Feb 7, 2024
by
wrandygast
A
[HyB] :
2016 Kia Optima hybrid low voltage Dc-Dc converter
AStorey
Dec 11, 2023
1
380
Feb 4, 2024
by
brysonfrantz
J
Kia Denies Repairs
jenniferbranch0625
Jan 5, 2024
6
623
Feb 2, 2024
by
Jennifer Branch
B
[EX] :
High pressure fuel pump connecter missing
Bcurd1128
Jan 17, 2024
1
291
Jan 18, 2024
by
Turbonut
G
Boost control/divertor valve/wastegate related questions
GreekPower
Apr 14, 2013
8
7K
Jan 14, 2024
by
destler2004
B
2013 Optima Hybrid High Energy Battery
BruceK
Jan 11, 2024
2
358
Jan 13, 2024
by
BruceK
O
[LX] :
How to verify if KSDS update was done?
OptimaInfo
Feb 8, 2022
31
37K
Jan 11, 2024
by
summetj
E
Engine vibration @2k RPMs in park
Evil Mechanic
Jul 11, 2012
14
13K
Jan 6, 2024
by
JKiaOwner
Loss of Turbo and no power
Camaroguy
Nov 25, 2013
21
29K
Jan 2, 2024
by
y2princess11
1
[SX-T] :
Trans fluid flush
1st timer
Apr 18, 2020
2
46
10K
Jan 1, 2024
by
williamhood
E
[SX] :
louder exhaust recommendations?
expressredaq
Dec 28, 2023
4
652
Dec 29, 2023
by
SXexcess
S
Body control module
shaun clary
Feb 15, 2019
14
14K
Dec 28, 2023
by
nathanboaz
S
[SX-T] :
High RPM misfire, loss of power
Scarlettkdm
Dec 21, 2023
1
323
Dec 28, 2023
by
Turbonut
B
Stuck in "Park" & all warning lights are illuminated!
BeerBrewer
Jan 21, 2012
32
41K
Dec 25, 2023
by
OliverHuntx
W
Transmission Fluid Change at 42K miles (First one)...
williamhood
Apr 20, 2015
20
37K
Dec 21, 2023
by
johnny.barajas562
V
I've searched but nothing recent... CV Axle
vfsit
Jul 4, 2018
28
19K
Dec 18, 2023
by
OliverHuntx
K
Pressing the horn shuts my car off
Kinetic
Dec 13, 2013
2
36
19K
Dec 17, 2023
by
OliverHuntx
P
2011 Optima SX: no power at all shortly after new battery
Prez65
Dec 15, 2023
3
596
Dec 17, 2023
by
KingFatty
1
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Engine and Technical Discussion
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