Question about 1992 Lexus Ls 400

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Air bag suspension system wont inflate on 1992 lexus ls 400

Wondering where i should start to find problem

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  • Lexus Master
  • 5,763 Answers

The first thing to check would be the compressor, check all fuses and see if compressor is running.

i can tell you that most air bag systems develop a leak in the bags and the problem is not fixed inturn the air compressor runs so much to fill leaking bags that it over heats and destroys the compressor. most of the time the compressor fuse will blow, so check fuses first and then compressor. I have never seen a 1992 lexus with air bags.

Posted on Oct 30, 2012

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Posted on Jan 02, 2017

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SOURCE: lexus ls 400 air suspension stop working

If this light is flashing, there is a problem somewhere in your air suspension system. You can check to make sure its powered on in the trunk on the driver side. Behind the carpeting. This is a common issue with that particular year and model. The system tends to go bad righ around the 15 year old mark or so. Also if the light is flashing, the system is not working. Your just riding on the regular suspension.


Hope it helps

Posted on Feb 19, 2009

  • 16 Answers

SOURCE: 1992 Lexus LS400 wheel bearing replacement

I'M NOT 2 SURE BUT I THINK YOU HAVE 2 REPLACE THE WHOLE HUB WITH A NEW BEARING PRESSED IN IF NOT THE WHOLE SPINDLE

Posted on Mar 30, 2009

  • 7 Answers

SOURCE: My car alarm triggered off and now my car wont start.

under the steering column on the left there is a fuse box there are three metal fuses larger than the normal fuse...there is a tiny hole it is the reset button for the theft detection...check the manual...should be around page 194 i think...you just stick a pin into the hole and should reset.you migt need the alarm code to release the lock on te engine.depends on what type of alarm it has installed...

Posted on Apr 17, 2009

  • 272 Answers

SOURCE: Cabin Air Filter Installation

Back upper right corner of your glove box tray has a pop out or not/mine either fell out or was never there. Look back in the upper right corner with glovebox open you'll see the slot where the cabin air filter goes.

Posted on May 30, 2009

Mustgo
  • 2359 Answers

SOURCE: my 1992 lexus ls 400 keeps stalling and idleis very low

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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