20 Most Recent 2000 Lexus LS 400 Questions & Answers

Make model and engine size, please.

Here's how to bleed the power steering. Repair Guides Power Steering Pump Bleeding AutoZone com

It's more likely a fuse is blown, the tail lights are on the same fuse as the dash illumination, check the tail lights if they are not working replace the fuse marked 'tail' in the fuse panel on the inside at the left side of the dash under the cover. At the same time check the 'gauge' fuse', there is a fuse location diagram on the cover.

Here it is

The Jam nut adjusts the throttle plate. Be careful when playing with that cos if you go out of the "range" of the accelerator position sensor the throttle will stop responding

The other (screw) is to set the maximum range of throttle movement (WOT and closed)

There are many reasons that light could be on. You either need to get an OBD2 meter at an auto supply place and follow the instructions to get the error codes indicating what are possible causes or go to an auto repair shop and have them look it up.

Below is a picture of the location of both O2 sensors for your vehicle. Also the last picture is your evap. system. In the "dotted lined" area I would check for rotten or lose hoses in that area as well the vapor pressure sensor could be faulty as well. Hope this helps.

I believe your lexus has more than one fan, there is one at the water pump and I think 2 or 4 electric fans in front of the radiator, If it has been determined that the water pump bearing is bad it is a really good idea to fix it or you might be replacing a radiator and shroud, it will hit both if the fan goes out.

Bank 1 sensor 1 --- on left side of engine in exaust manifold .
Bank 1 sensor 2----- on exaust system near converter
Bank 2 sensor 1----- on right side of engine in exaust manifold
Bank 2 sensor 2 ----- on exaust manifold near converter