Question about 1992 Lexus Ls 400
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Posted on Jan 02, 2017
Im not sure where the lexus starter is located but here is your standard steps.
Posted on Apr 03, 2009
There are 2 fuse boxes, 1 is in the engine compartment on the drivers side. It is right behind the battery. Black cover with 2 plastic screw heads. Unscrew the 2 screws and the cover will come off. And then turn the cover upside down & it shows the fuses & relays aand their locations.
The 2nd fuse box is inside the vehicle on the drivers side under the dash board right next to the parking brake pedal.
Posted on Jun 12, 2009
Look for a small electric motor near the accelerator cable and near the top of the valve cover.
It's call IDLE AIR CONTROL (IAC) motor.
It's job is to increase the idle when load is added.
Example: turning on headlight,turning on AC.
Testing it is simple.
Warm up you car for 10 minutes.
Locate the IAC motor
turn on loads.....AC,headlights,etc
The motor should move the idle up
If the motor does not increase the RPM then it can be stick.
Try to give it few gentle taps to free up the gears.
It can be clean if your are up to it.
This electrical motor is very expensive. Please handle it with care.
The other trouble spot are
old accelerator cable
TPS Throttle position sensor
I will do a simple tune up and gas treatment before starting to replace any parts.
Please post reply on the comment window.
Posted on Oct 27, 2009
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