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V8 Performance Tech
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Diagnostic & Repair Tech
"Help, my car isn't running right!" All about naturally-aspirated OEM Lexus/Toyota V8 powertrain. Post your car problems here.
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D
Sticky
1UZ-FE vs. 1UZ-FE VVTI
Drizt
Nov 23, 2004
2
3
Replies
40
Views
50K
Oct 3, 2011
hijbeek
H
O
Sticky
94 LS400 - sluggish acceleration, and low RPM pinging
och
Aug 5, 2007
2
3
Replies
59
Views
30K
Oct 3, 2010
White ls400
E
Sticky
1UZFE runs great without AFM
extractors
Oct 18, 2011
3
4
5
Replies
97
Views
27K
Oct 29, 2021
EIL_V8
Sticky
Diagnostic Codes
Lextreme II
Feb 22, 2006
Replies
9
Views
21K
Nov 16, 2014
George_R
G
Getting the 1UZ up to 9,000 RPM?
GSMnow
Feb 21, 2005
Replies
7
Views
20K
Jul 4, 2020
E30 lexus
E
G
VVti (UCF20/21) Immobilizer Cracked
gloverman
Sep 14, 2011
2
3
Replies
52
Views
18K
Jan 6, 2024
Lextreme
J
Please Help to make my SC430 gain HP
jasontan
Dec 30, 2004
Replies
8
Views
18K
Mar 1, 2005
lspower
L
adjustable cam gears for the 1UZFE
Pro
Jul 12, 2004
2
Replies
26
Views
17K
Jan 15, 2005
GSMnow
G
M
Starter Motor R&R daunting task !! LS400
MikeC4C5
Nov 9, 2009
2
Replies
25
Views
16K
Oct 5, 2016
melvinmelvin
M
M
1UZ doesn't start (igniter?/timing?)
melvinmelvin
Jan 12, 2015
2
3
4
Replies
77
Views
15K
Jun 6, 2017
melvinmelvin
M
M
Variety of issues
MaccyD
Oct 28, 2012
4
5
6
Replies
112
Views
15K
Jan 14, 2013
MaccyD
M
1
1uz operating temp
1UZX83
Apr 3, 2007
Replies
14
Views
15K
Apr 26, 2007
mshawari1
M
fuel ecu problem, I think
michael
Feb 2, 2006
2
3
4
Replies
64
Views
15K
May 9, 2006
jibbby
J
J
1uz starts and dies :/
jkb_and
May 28, 2012
2
Replies
28
Views
15K
Apr 15, 2021
Oskido
O
E
Cam seals 1uz
el maestro
Aug 4, 2009
2
Replies
22
Views
15K
Oct 10, 2011
LS400GUY
L
How to convert hydraulic clutch fan with electric fans.
jibby
Jan 16, 2006
2
Replies
27
Views
14K
Aug 21, 2010
hungryforinfo
H
P
HELP! LS400 dies at start-up!
pongoo
Feb 12, 2010
2
Replies
20
Views
14K
Mar 29, 2011
sideshow
S
M
Reliabilty of Lexus LS400, 1uz-fe timing belt?
maxuslexus
Apr 23, 2007
Replies
5
Views
13K
May 18, 2007
Thermactor
P
1uzfe Was running, now just cranks & doesn't fire.
profile18
Sep 22, 2013
2
Replies
35
Views
13K
Dec 3, 2013
poorsupra
P
J
DBW Throttle Issue
Jesus-Ninja
Jul 31, 2015
Replies
8
Views
13K
Sep 19, 2015
Jesus-Ninja
J
B
Please help! Car can't run over 4000rpm.
Bom
Aug 3, 2011
2
Replies
39
Views
13K
Aug 26, 2012
shoob
S
T
1uz-fe Fault Code 56
TOYOSPARES
May 27, 2004
Replies
13
Views
13K
Mar 1, 2022
gloverman
G
96 LS400 Whining
tsirovy
Sep 18, 2008
Replies
11
Views
12K
Oct 9, 2008
a.Lpha
Toyota/Lexus Online parts number reference catalogue
earthman
Jul 31, 2009
Replies
4
Views
12K
Nov 18, 2010
tom steele
T
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