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2013 Lexus IS 350 Base 4dr Sedan AWD

2013 Lexus IS 350
Trim Info:
All Wheel Drive, Sedan, Sub-Compact
18 mpg city / 26 mpg hwy
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October 21, 2009, 7:13 pm

Dan G

Question: Pull to left car pulls to left at freeway speeds but only when its hot...not pull first thing in morning. My car has 10k miles on it and never has been driven my any one but me, no curbs or big pot holes have been hit. First Lexus dealer diagnosed it with a tire pull and replaced tires. They also state they checked brakes, alignment 2 times, and checked electric steering. Left that dealer and once car got hot a hard pull to the left. I say hard...yes will changes lanes to left by itself. Tires on car are now 1 week old and front left is now showing uneven wear on outside of tire...other tires are not showing any wear. Can you help me with this...thanks Dan

October 22, 2009, 5:05 pm

Ron W
Expert Mechanic

If your dealer cannot find the problem with factory information and the vehicle in front of them, I doubt I will be much help.

My best recommendation is to test drive with a technician from the dealer to show them EXACTLY what is happening. It is possible they checked all those items, but have not experienced your complaint the way you describe it.

Also the next time it happens, pay attention to everything that is going on with the vehicle (how long it's been running, temperature, is it on the same patch of road, is the AC on, is the radio on, are you using a cell phone or GPS device?) The more information you give to the dealer, the better the chance they will have in diagnosing and repairing the problem. Most modern vehicles have well over 20 computers (modules) in them and sometimes the can react strangely to electronic devices...even their own devices.

Since it has electronic assist, it is very possible it is reacting to something. I've seen vehicles read vehicle speed sitting in park at idle from RFI generated from from ignition coil packs, and communication faults between computers from cell phones.

You might also see if there is an updated PCM flash (programming) for your vehicle. Sometimes updating the PCM can fix these types of issues as well.

Sorry I don't have the "fix this" answer, but your issue is unique. If you feel like it, post back if the dealer finds and fixes the problem

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October 22, 2009, 11:41 pm

Dan G

Update 10/22/09

I test drove my car with a Lexus Tech. and he said car is fine and it normal for car to pull to left. I told him hes out of his mind!!! So second Lexus dealer told me they would check it over and all they did do another alignment test ( the 4th one in last 3 weeks) came back OK, and test drove car without me and again they said they find nothing wrong. BTW car was there 6 days and thats all they did in six days....NO inspection of brakes, electric steering, steering components (bend or worn parts), and didnt plug it into master computer they have over there to see if it would throw a code!!. I now have to file complaint with dealer GM, Lexus corporation, BBB, and bureau of automotive repair due to not wanting to wk on my car anymore.

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