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I have a 93 with the same problem. It has 126k miles which should be nothing on a Lexus. I am going down the path of valve guide seals with mine. I'm pretty sure I'm right, but I will consult with a more experienced mechanic before I proceed with repairs.
What happens is that the oil sits in the valve train area after the vehicle is turned off. It then leaks past the bad seals into the combustion chambers when the is not running. When you start it, the excess oil combusts causing smoke. Once this oil is burned off, the car stops smoking. That's because the oil is circulating freely while the engine is running.
This will probably be an expensive repair at the dealership. I plan to fix mine myself.
What else can I help you with?
Lexus 1996 ls400 has shaking bad and white smoke with gas smell?
i get white smoke when i step on the gas.
What is the minimum rear brake rotor thickness for 1996 Lexus LS400?
The minimum rear brake rotor thickness on a 1996 Lexus LS400 is 15mm.
How do I put a camshaft position sensor for 1996 LS400 Lexus?
where is the camshaft position sensor laocated at on a 1996 ls 400 lexus
How do you replace rear wheel bearing on a 1996 Lexus ls400?
Changing a wheel bearing is almost exactly the same process for every vehicle.There are detailed instructions to do this answered in another question:How_do_you_change_a_wheel_bearing
What Toyota oil filter will fit a 1996 Lexus LS400?
The LEXUS and TOYOTA v-8's use the part # filter 90915-yzzd3 www.lextechautomotivellc.com
Where is the fuel pump on a 1996 Lexus Ls400?
It"s behind the back seat. u will have to take the bottom out first then the back to access the fuel pump
Where is the fuse box diagram for 1996 Lexus ls400?
The fuse box diagram for a 1996 Lexus LS400 can typically be found in the owner's manual, which often includes a detailed diagram of the fuse box layout and the functions of each fuse. If the owner's manual is not available, you can usually find the diagram on the inside cover of the fuse box itself, located under the dashboard on the driver's side or near the engine compartment. Additionally, you may find digital copies of the manual or diagrams on Lexus enthusiast websites and forums.
When Do you need to replace a timing belt in a 1996 Lexus ls400?
Timing belt needs to be replaced every 100,000 kms for peace of mind. A genuine toyota/Lexus belt will give you more peace of mind. This is also the time to replace your water pump, idler pulleys, and belts. The procedure to replace any of these items requires removing valve covers and as long as you are into the motor that far get everything done.
How can you increase horsepower on a 1996 Lexus LS400?
Since Lexus engine design is fairly optimal from the factory, increases in HP from things as K&N air filters or cold air intake may not be worthwhile. If you really want to keep the car and money is no object, look into turbocharging or supercharging. Otherwise, the common sense answer is to shop for a 1998-2000 LS400, their engines feature 290 hp and are noticably more powerful than the earlier cars.
How do you lower the idle on a 96 Lexus ls400?
To lower the idle on a 1996 Lexus LS400, first ensure the engine is at operating temperature. Then, locate the idle air control valve (IAC) and adjust the idle screw if applicable, or clean the IAC to ensure proper function. You may also need to check for vacuum leaks or issues with the throttle body. If adjustments do not yield results, consider having the vehicle diagnosed with a professional scan tool to identify any underlying issues.
Where is the fuel filter located on a 1996 Lexus LX450?
where is the fuel filter located on 1996 Lexus lx450?
When was Lexus LX created?
Lexus LX was created in 1996.
