Diagnostic & Repair Tech

HELP! My car is not running right. All about Natural Aspirated OEM Lexus/Toyota V8 Powertrain. Post your N/A car problems here.

Repair & Maintenance Tutorials (DIY)

This sub forum is to help newbies or veterans on basic repairs and maintenances. If you have repair tutorials please post them here.
Threads
31
Messages
156
Threads
31
Messages
156
N
Starter
Lextreme
  • Sticky
Diagnostic Codes
Replies
11
Views
17K
George_R
George_R
I
need some advice for a 1990 lexus ls400 supercharged stored for 12 years
Replies
0
Views
24
ifeelsooblue
I
3
USZ131 Crown interior diagnostic pinouts?
Replies
0
Views
36
361UZ
3
O
The ECU is activating speed limiter
Replies
3
Views
61
gloverman
G
J
New alternator connector order for 97 ls400
Replies
1
Views
37
gloverman
G
MissySoarer
No power to fuel pump. Car cranks but won't start!
Replies
11
Views
176
dailey
D
G
Help. Sparks from the ECU body. That can't be good.
Replies
0
Views
38
gloverman
G
R
Misfire at crusing speed
Replies
1
Views
91
gloverman
G
S
GS400 Brake pedal soft.
Replies
0
Views
88
Spinnetti
S
neromax
sc 400 1uzfe wont start - freaky problem
Replies
8
Views
236
Zuffen
Zuffen
E
1UZ in 1976 FJ40. Check engine light wiring.
Replies
3
Views
196
gloverman
G
B
How to diagnose vvt issues on Lexus 4 liter V8
Replies
1
Views
153
gloverman
G
M
Air Temperature Sensor location 1UZ FE VVTi
Replies
2
Views
177
gloverman
G
K
Vacuum diagram help please!!
Replies
1
Views
235
gloverman
G
J
3uz-fe weird idle and throttle lag under 3k rev
Replies
14
Views
425
Jgrov2
J
D
Alternator issue
Replies
4
Views
214
dannyboy77
D
fabre12
1uzfe knocking
2
Replies
27
Views
960
fabre12
fabre12
V
High/weird Idle, Dead e-throttle, CEL
Replies
7
Views
315
gloverman
G
A
1UZ VVTI High Idle Issue
Replies
7
Views
402
Antanas
A
eicca
Momentary crappy idle on cold start?
Replies
0
Views
255
eicca
eicca
M
1995 sc400 with 1993 engine problems
Replies
2
Views
309
Miked1110
M
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