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Lexus LS

The Lexus LS series is a family of large-sized luxury cars built by Lexus. Four generations of this series have been manufactured – all are equipped with smooth V8 engines and rear-wheel drive.

639 Questions

How often do the timing belt need to be changed on a 1993 Lexus ls400?

The Gates website ( they make timing belts etc. ) shows the timing belt should be

changed at 60,000 mile intervals on a 1993 Lexus ls400

Reverse light turns on in the dash when braking?

i have the same problem is some one knows the answer to this please and to the person who asked this question what ended up happening to your car ?

is it ok?

hav an auto electrik shop check tha wire harness in ur trunk on tha hinge 9 times outta 10 tha problem is worn wires in that harness. Left side of tha trunk. It took me 2 yrs to figure dat and only cost me 30 bucks

Door key stuck in ignition of Lexus gs 400?

This happened to me before. I wiggled it so much and still nothing. It only turns but doesn't come out. So, the reason it didn't come out was that the shifter wasn't completely in the Park position. Check if you have something small blocking the shifter to completely sit in the Park position. Maybe it's just gunk or even a coin. I had a Paris keychain lodged in. Anyway, I hope this helps!

What are the best rates one can get in the UK for used Lexus LS?

If one has adequate mileage on the car, and it is in good condition, one could expect to get between $15,000 to $20,000 on the car. This figure depends on the car's accessories, condition and mileage.

I have a 1994 Lexus LS400 and I believe that the ignition coil is going or gone bad. What would a car do or how would it drive if the ignition coil was bad?

This car has 2 coils 1 for r/ and one for l/ banks .to determine which one is failing .simply disconnect both and plug in 1 at a time.when the engine starts the opposing coil is bad .just had this happen to me .if you drive with this condition there is potential to damage the cat convertors.

When you get past 55 mph or if you use the heater the check engine light comes on why?

No idea to be honest, but i have a 95 Corsica with a similar problem that will turn the Service engine light on after a while of driving highway speeds, or after reaching highway speeds and slowing down again. After getting the code read i found out it was for the EGR valve sensor. Basically meaning that its positioning fine at normal in town driving but not working as it should at higher speeds.

Again i can't assure you this is a positive solution but i would recommend running your car as you would normally get on the highway and then while the light stays on going to AutoZone (They will run service engine soon checks for free) or a mechanic you trust. hope this helps.

How do you add freon to a Lexus ls400?

Using a set of a/c gauges put the blue hose on the low side (suction side) and the red hose on the high side (discharge side)..

Remembering to keep the low side readings between 30 to 40psi and the high side between 200 to 250psi depending on the outside temperature…………….

How do you replace the instrument cluster panel s 400 1994?

To replace the instrument cluster panel on a 1994 Mercedes-Benz S400, first, disconnect the battery to ensure safety. Then, carefully remove the trim surrounding the cluster using a trim removal tool. Unscrew the cluster from its mounting points, disconnect the wiring harness, and remove the old cluster. Install the new cluster by reversing the steps, ensuring all connections are secure before reattaching the trim and reconnecting the battery.

Battery draining in my 1990 Lexus ls400 when I let it sit overnight without disconnecting the negative battery cable.?

You will have to pull your fuses one at a time to see what is actually draining your battery. There are fuses under the hood next to the battery and more under the dash by the driver's left foot.

  1. Disconnect the negative battery cable and using a current tester that you can get from any automotive parts store, you can test for live current by seeing the light come on on the tester.
  2. As you pull each fuse, using the fuse puller that is kept in the removable top to the fuse box under the hood, make sure there isn't anything else that would be causing current and creating a false test; like the driver's door is not open.
  3. Test each item you pull a fuse and then return the fuse and pull another one until you find the fuse that tells you the item causing the problem because the light does not turn on.

If none of the fuses tell show you the problem then you will have to test the super fuses and they are much more difficult to get to.

Lexus LS400 brake light How do you replace?

You can access the brake light bald through the trunk compartment. Remove the trunk liner from the tail light assembly. Push the brake light connector in and turn at the same time. The brake lightbulb will come out. Reverse the process to install the new brake light

What is the mostly cause of your 1992 Lexus LS400 showing a track off and check engine lights on dash?

I have heard a few different things mentioned. Check on lexusownersclub and post it in the LS400/430 catagory. A very good specialty site. vbd

Where is the air-filter in 1991 Lexus ls400?

For the 1990-1994 Lexus LS 400. The air filter is on the passenger side right behind the passenger head under the hood. To access it you must use have a socket wrench and a 10 mm socket.

1. Go to the driver side under the hood near the battery. In front of the battery there a then cover that you must lift up. Once you have lifted this cover, there is a silver screw that is holding the air cover directly over the radiator. Remove the cover and then loosen the screw to take the center air cover off from over the radiator.

2. While working your way to the right, you will notice there is another cover on the passenger side. Remove this cover and you will then see the air filter. The air filter is big round and has a latch. The only way that you can access the air filter is by removing the 3 screws that hold stable to the air induction which is connected to the throttle plate.

3. Remove these screws with the same 10 mm socket and also loosen the lowest clamp on the air induction so you can take just the air filter housing out. You may have to move back and forth to wiggle out.

4. Once you have wiggled out the air filter housing, you can unlatch the air filter and then replace.

5. Then reverse the instructions to reinstall.

How do you reset maintenance light Lexus lS 430?

Bring the maintenance schedule program onto the information display. Hold the scroll button in until the maintenance schedule is cleared. The maintenance light should go off.

Where is the low side port located on a LS400?

Low side port for A/C is located on passenger side to the back of engine. about where the second spark plug forward

What does the reset button do on a 1993 Lexus LS 400?

The reset button below the instrument cluster resets the trip A and trip B mileage counter www.lextechautomotivellc.com

How do you change the keyless feature to open all four doors when one door is touched?

KEYLESS ENTRY SYSTEM

With the keyless entry keypad, you can:

• lock or unlock the vehicle doors

without using the key.

Your vehicle has a factory set 5 digit

code that operates the keyless entry

system. You can also program your

own 5 digit personal entry code. The factory-set code is located:

• on the owner's wallet card in the glove compartment

• or at your dealer.

When pressing the controls on the keyless entry keypad, press the

middle of the controls to ensure a good activation.

This system will disable the power door lock controls. These will not

work until the vehicle is disarmed.

Programming your own personal entry code

To program your own code:

5. Enter factory set code (keypad will illuminate when pressed).

6. Press 1/2 control within five seconds of step 1.

7. Enter your personal 5 digit code.

Enter each digit within five seconds

of previous one.

8. After the code is entered, the

locks will cycle, confirming that the

new code has been set.

Do not set a code that includes five of the same number or presents

them in sequential order. Thieves can easily figure out these types of

codes.

Your personal code does not replace the permanent code that the

dealership gave you. You can use either code to unlock your vehicle. If a

second personal code is entered, the module will erase the first personal

code in favor of the new code.

Locks and Security

149

Locks and Security

If you wish to erase your personal code, use the following instructions:

1. Enter factory set code.

2. Press 1/2 control and release.

The system will now only respond

to the factory set code.

Anti-scan feature

The anti-scan feature prevents

repeated attempts at arriving at a valid key code.

The keyless entry pad is disabled for 1 minute after 7 unsuccessful

attempts (35 consecutive button presses) at entering a valid key code.

The keypad will flash during this 1 minute mode. However, the 7/8 and

9/0 controls will still lock the vehicle.

Anti-scan will be turned off after:

• one minute of keypad inactivity.

• the remote entry transmitter UNLOCK button is pressed.

• the ignition is turned to the ON position.

Unlocking the doors with the keyless entry system

To unlock the driver door, enter either the factory set code or the

personal code (each digit must be pressed within five seconds of the

prior digit). The interior lamps will also illuminate.

To unlock all doors, enter the factory set code or personal code (driver

door unlocks) and press the 3/4 control within five seconds.

Locking the doors with the

keyless entry system

It is not necessary to enter the

factory or personal code prior to

locking all doors. To lock the doors:

• with the driver's door closed, press the 7/8 control and the 9/0 control

at the same time.

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150

What is the cost to replace timing belt and water pump in a 1994 Lexus 400 ls?

Parts and labor for timing belt, water pump, #1 and # 2 timing belt idler pulleys should be around $900.00 www.lextechautomotivellc.com

What does the switch that says pwr ect and norm mean on a Lexus ls400?

It is actually to "improve" the shifts of the automatic transmission. I can tell a difference when I do this but it does use more gas and I don't like that. It is not really a sporty car so I have a sports car to drive if I want firmer shifts.

Code for navigaion system lexsus ls 430?

Yes there are fault code for the nav system but they are very hard to deciefer. www.lextechautomotivellc.com

Lexus ls 400 trac light is on what could be the problem?

More than likely, its probably the oxygen sensor. The best way to determine why the light is on is to read the diagnostic code. There is a procedure to get the engine "Check" light to flash the diagnostic code; or you could take it to a dealer for them to read the code.

By the way, the oxygen sensors should be replace every 70,000 miles.