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
32
Messages
160
Threads
32
Messages
160
Zuffen
2000 Ls400 fan/cooling mods
Lextreme
  • Sticky
Diagnostic Codes
Replies
11
Views
18K
George_R
George_R
eicca
Help!! Intermittent signal loss from all 4 O2 sensors
Replies
3
Views
55
Zuffen
Zuffen
1uzcorolla
1992 LS400 1UZ, different chassis but having CEL 24/25/71
Replies
0
Views
35
1uzcorolla
1uzcorolla
A
Very low idle when warm, 1990 1UZ
Replies
12
Views
2K
gloverman
G
S
GS400 1998 Random no-start
Replies
5
Views
90
Spinnetti
S
S
99GS400 VVTI engine running rich.... (Transplant)
Replies
5
Views
185
Spinnetti
S
TheGuyWhoGotAFreeLexus...
Project LS400
Replies
6
Views
97
Zuffen
Zuffen
B
overheating V8
Replies
3
Views
102
Zuffen
Zuffen
L
Required pins for the obd2 port for a 3uz vvti ecu
Replies
4
Views
130
George_R
George_R
zdw
this car is driving me insane!!!!!!!!!!!1
Replies
10
Views
2K
Tckinney
T
B
Coolant level sensor.
Replies
0
Views
65
blackdemon_tt
B
3
1989 Crown Air Flow Meter issue?
Replies
11
Views
318
361UZ
3
K
3UZ-FE Struggles When Giving it Gas
Replies
1
Views
161
blackdemon_tt
B
jds8086
96 LS400 feels lazy 98% but sometimes has good power
Replies
0
Views
82
jds8086
jds8086
B
Rough under load
Replies
4
Views
137
ivan129
ivan129
eicca
A doozy: 2UZ transmission going haywire... Until scan tool plugged in.
Replies
4
Views
150
361UZ
3
@
1990 ls400 no crank
Replies
2
Views
86
ivan129
ivan129
G
Getting the 1UZ up to 9,000 RPM?
Replies
7
Views
14K
E30 lexus
E
R
mx83 1uz swap starts no idle
Replies
7
Views
167
361UZ
3
J
1990 LS400 timinig marks questions
Replies
1
Views
89
ivan129
ivan129
B
91 V8 Soarer, Air suspension
Replies
0
Views
92
Baz B
B
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