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LS430

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Question
Digital dashboard not working
Hello! That is a common problem that unfortunately usually requires a replacement of the instrument cluster. The clusters will short out internally over time, due to faulty solder points. The solder points will usually fail due to the heat those...
Question
Fluctuating RPM gauge when going up hills
Hey there. It's hard to tell without further information. Automatic transmissions rely on solenoids and electronic sensors to shift. If these sensors have failed, the symptoms would be similar to yours. Issues with your fuel system will also produce similar...
Question
Radio not working - 2003 Lexus LS430
It would seem the issue is a connection problem. If the wire from the windshield to the radio has been cut or pinched, it could be a short causing your radio to not function at all. There are ways to...
Question
Starting problems - 2004 Lexus LS430
Hi there. This sounds like a case of a failed alternator & battery duet. Many times these can fail within close time frames of each other and are usually recommended to be replaced together so that it has a new...
Question
Power window slow to go up
Hello, it sounds like you might have one of two possible causes for a window rising slowly. The electric motor could be getting weak, making it unable to lift the window. The other is that the window regulator is binding...
Question
Car ran hot pull over turned it off and it won't start please help
If you ran your car hot then you may have blown a head gasket and lost compression in some of the cylinders of the engine. You will need to have a compression test done to pinpoint the issue. A cooling...
Question
Need to replace my fuel tank
In this case you should replace the fuel pump and filter at the same time. You will need to get the tank from a dealer since used tanks would be hard to come by unless a local used parts shop...
Question
Maintenance light keeps coming on
I'm assuming you're talking about the maintenance required light. If the light keeps coming back on, it means that it is not getting properly reset at the time of service. The reset procedure varies, depending on whether your vehicle is...
Question
Joshua how much will it cost to replace all coils and plugs
Hello, thank you for writing in. The technician's do not have the ability to create proper quotes due to the pricing of labor and parts being dependent on your location. With that being said, I can share some of the...
Question
Clunking noise hear it at speeds of 35-40 loud
Hi There, What you are describing sounds like a bad or worn out ball joint. A ball joint is designed to pivot through multiple planes. Of course, because the ball joint constantly pivots at different angles, it tends to wear...
Question
How much the labor costs to replace caster bushing (aka control arm bushing)? 2004 Lexus LS430
Hi there - YourMechanic does not offer lower caster bushing (aka control arm bushing replacement as a service. Replacing bushings in aluminum control arms in the field is a somewhat risky procedure in the best of circumstances. YourMechanic recommends, and...
Question
Engine meter shows overheating but engine is not hot
It sounds like you may have had the thermostat stuck closed for a short time and then open up and temperature went down. I would recommend you get the engine coolant thermostat replaced before thermostat stops working all together and...
Question
I have an 01 Lexus ls430 the trunk indicator is on as if the trunk is open but it's completely closed. Any ideas?
Hello, thank you for writing in. Something is wrong with the sensor on the latch for the trunk. Scan the vehicle for diagnostic codes to see if anything comes up. You can check the wiring directly to the sensor and...
Question
Vibration from rear deck
In order to try and locate a vibration due to an aftermarket radio with heavy bass you would need to try and touch each body part until you find the part that is vibrating and then a fix may be...
Question
Lexus LS430 Cruise control speed limit
The 2001 LS430 Owner's Manual refers to an upper limit of 85 MPH in terms of cruise control settings. Apart from that, there is no ECU limit or user-programmable upper speed limit. On some cars, you can program individual keys...
Question
Aircond fan sometimes does not turn on when ac is on but turns on when radiator fan is on
The a/c compressors are known to intermittently not engage on these vehicles and once the systems pressures are verified and no other component is tested bad then the compressor clutch should be checked to see if it is getting power...

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