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Start with the basics and check battery connections are clean and tight. After that, checking both fuel pressure and fuel flow is a good idea. If it has a rough idle, you can start by checking your ignition system (spark plugs, wires, as well as the distributor caps and rotors). I'll preface this with a disclaimer that it's a guess, but from your description and the short video, it sounds to me like a throttle position sensor may be reading incorrectly at times. You'd need to test your sensor and see if the signal drops out or jumps around on the output of the sensor; as you slowly press on the throttle, you should see a smooth progressive change in signal. I believe there are other posts about checking and adjusting a TPS for your model year, but I won't try and go into detail myself, as my vehicle is a completely different system to yours.

Hi All, As the title says, I have a 1990 LS400 that I am parting out before it heads to scrap. I am in Idaho but can ship in the lower 48. Mechanically, as far as I can tell, there are no issues with the car. I bought it because I needed the 1UZ to fix a different car. As such, everything is there -1 engine. The interior is.. in rough shape. There are some good panels, but most leather is cracked and/or tearing. The gauge cluster has the typical sagging tachometer, but everything else works fine. The transmission is strong and smooth. I've driven with it and have videos I can email you. It never has an issue through any of the gears. No clunking or hard shifting. Let me know what you're looking for. Leave a comment here and I'll respond with pictures or PM me. I'll update this thread if/when things sell. P.S. The engine is still in the car so I can move it around but I'll pull it in April/May

Alright I know it’s been a while since I spoke last here. The bushings Mika recommended to replace are both new on my car and OEM. The sway bar bushings are installed and the noise is still being made. I don’t think it’s my struts, the sounds seems to be coming almost from the center of the car in the front but more on the driver side. Last week the noise went away completely for about an hour and I couldn’t get it to make the noise (which is usually extremely easy to replicate) but now it’s back. Sometimes it’s loud and sometimes it’s very quiet. It is bothering me so bad IMG_1148.mov

Never had better tyres for any car than Continental. Quiet and long lasting, many of them self repairing for tiny holes.

I'm going to replace the rear struts My question is are the bolts in the trunk or the back seat?

Did you ever fix the issue?

My dial does not turn temp down on drivers side??? It still goes around and around like pax side but temp is stuck at 83 degrees! Lexus dealership says my taped on rhinestones is cause??? My response “ taped on” why isn’t the other side broken then? They said it’s not internal it’s an external problem????? Help because my brain does not get this?

I bought a new power steering pump and hoses but I need to know if I should use my ACV or plug it with the same size bolt, wondering if it will effect anything

2015 RX 350 owner here. So disappointed in Lexus response to my peeling paint issues. Clearly mfg defect where paint is not adhered properly to primer. Top of rear passenger door under window, same on cargo panel under window and windshield frame. All these areas began peeling within a couple weeks of each other. Lexus says “not enough” complaints at this time. Funny, I can find these issues all over the web, same color paint, same location(s), and Toyota has extended the paint warranty on all these models in the attachment. Come on RX350 owners! Open a case at Lexus, 800-255-3987. this is unfair to repair some models and not all with the SAME ISSUES.

You might not like the settings I choose. If they let you, you'll have to sit with the technician and/or Delivery Specialist and make your choices. I cannot have ANY car without a diagnostic scanner that can touch all of the systems. Currently use a OBD Link LX with their app, but looking for one that can go deeper for those settings (although they are few if any on my model...) There are tons of (relatively) cheap ones out there that can talk to those settings any time. Dangerous part is you can clear ECU adaptations easily and that has the possibility to stop systems from relearning. Solving my own problems is worth a few hundred.

With your car using an outdated OBD port, you will have trouble hooking up a scanner, but you should be able to pull up any codes. Follow the instructions in this link and see what you've got. https://www.2carpros.com/articles/toyota-trouble-code-definitions-and-code-gathering-method-1990-1995 Otherwise, if no codes are present, you need to start with basics and make sure all the essentials are right. Check battery connections are tight and clean, make sure you check all your basic fluids, check for a clogged air filter, check for intake leaks along the manifold (and fix your known leak at the broken nipple too). If all that checks good, you can move on to checking fuel pressure (and making sure it has good fresh gas), changing spark plugs, spark plugs wires, or troubleshooting incorrect readings from sensors such as the MAF/ O² sensor/etc. Also check that the throttle body is clean and the TPS is operating correctly, as that will have an effect on idling and acceleration, respectively.

Getting a 550h+ late April. I have downloaded and been studying the manuals. Never had a car with an entertainment/info screen before. Looks like I have a lot to figure out.

ANY IDEA WHY...... A black rod (possibly plastic) the diameter of a pencil is sticking out from each side of the seat's track in the back. I can usually push the rod back in, but it will find it's way out again as the seat moves back and forth on the track.

2008 RX350 240K Hit a deer (pretty sure it survived) which took out driver side headlight assembly. I had the HID with aiming / leveling motors. Replaced with aftermarket. Still HID but not motorized. Moved the ballast over; new bulb; good to go. But of course the AFS Off light flashes. I took the motors and stuff from the old unit and plugged them in figuring I can tie them up nearby but that did no good. Pulling fuse 18 (?) from the interior fuse block nixed it but also did things like warning me that ABS is off. Can’t have that. Anyway to shut this warning light off?

Bummer, I was hoping it didn't come down to that. Thank you for the advice!

Plugs not gapped correctly (do not trust pre-gapped claims) ? Incorrect plugs (OEM only. There are no gains from "upgrades") ? Coil and or injector harness(es) not plugged in to the right cylinders and or they are corroded (DeOxit contact cleaner should be on hand every time you take off a connector) ? Poor sealing, reusing old gaskets, crimping a new one causing an air leak. ? (Highly probable with all of the stuff that has to come off...)

I own a 2021 ES250 which i bought 8 months ago ...certified car with 31K miles. Back in October i was rearended and the damage cost $7500 to repair....no frame damage but i was pushed into the car in front of me for some slight front end damage. Anyway i had the car repaired by a top notch body shop back before end of year. Last week i suddenly noticed that the small circular cap covering the right rear parking sensor was gone! No idea what happened to it but im trying to determine if it is just a cosmetic cover cap that snaps in to the rear bumper or is it a functional part of the parking sensor which requires that i replace the entire sensor to get the cap. It looks to me like it is only a cap but i want to know before i call a dealer who might tell me otherwise. Any help appreciated.

Hi all. I am new here. Waiting for a 450h+. I recently got rid of a 21 rav4prime when it wouldn't run. A long story, but the dealership gave me a fair value for it. Anyway, does anyone have a way of accurately monitoring the ICE mileage? It must be there somewhere. I am looking forward to the lexus.

My LS500 is running fine since the repair one year ago. There were no issues after the repair. As I am retired now, the mileage is very low. Only 45K. I'm hoping my car will remain trouble free for many more years.

Recently, my 2018 ES350, 60k, cranks for a few seconds before starting when the engine is cold. It used to start immediately when cold. Thx for your help! First post

Just currently bought one and mine does the same but when I open the hatch manually no problems.

We should meet at Furuckers

No changes between 2024 and 2025 says Bell Lexus in Scottsdale.

In AZ all windshields are automatically covered by your car insurance with $0 deductible. Too many rocks on the road. Ck with your Lexus dealer on this.

Follow up to my post from February 19th: I went to the next level of support from Lexus and was told that the rust is not critical and since I was in Minnesota twice during the winter since I owned it, the rust was from being there. Yep. Two times and have had the car washed while I've been there and on the return trips to California. As a goodwill gesture Lexus Corporate offered a $$ discount on service through the dealer. The discount is considerably less than the repair cost, but at least they tried to make things right. My local dealer was not impressed with the response from Lexus and was taken aback by what has happened to my car and the lack of concern on Lexus' part to correct what is going on with the RX. In 20 years Lexus has gone from a premier manufacturer with a solid customer service record to what I see today. Will NOT be looking for anything from them in the future and have informed a few of my friends and family about Lexus' "Relentless Pursuit of Perfection" now. So very sad. My dealer and his technicians have said the same thing. No one makes anything that lasts anymore.