ultra63

My 04 has 55,000 miles. Yesterday I had driven about 60 miles with the last 10 miles being 30 to 45 miles an hour cross street driving and then my car stalled at an intersection. The car would not move when I pressed the gas pedal and I could not to restart the car to move it. Eventually, AAA showed up and I had towed it to the dealer. An hour later, the dealer could restart my car and he has absolutely no idea why this happened as the computer codes did not tell them that anything was wrong with the car. The tow truck driver wondered if there was something wrong with the alternator but they said it was okay and the car has a new battery. I do have the platinum warranty and I would prefer to drive a reliable car so I would be grateful for any suggestions.

SH212

maybe a censor??

Gibenstein

Loose plug wire or bad spark plugs? Or a sensor. Quite odd that there is no other symptoms. Do you have a unsteady ideal at all as of now?

KILLERGS4

did you recently buy this car used?? sounds like potential lemon...

AlexusAnja

Has this happened before? Has it happened since? I mean with no CEL code, no warning... or whatever, then it literally could be anything with an engine sensor or detector. That would be very dangerous to just stall out like that. I wonder if the dealer can run a full electronic diagnostic on it.

Nauticalx

When did you get tis car and if recently, have you done a carfax on it for potential flood area exposure? Flood vehicles often exhibit such behavior.

GS3Tek

iTrader: (8)

If it's throwing a code, it's usually the vehicle speed sensor or throttle position accelerator-very common problem in the GS.

My air filter tubing came loose once in the GS and that also caused it to stall

duncan73

I would immediately suspect that "new battery" in terms of dead cell, loose connections, loose ground, etc.
Good Luck!

GS3Tek

iTrader: (8)

^^^AFter the car is started, the alternator takes over so the battery is not involved.

The car will still run after you disconnect the battery.

ultra63

Same thing happened today on the other side of Tamap Bay. I was hopeful a different dealer would find the cause in this car which I bought new and kept because the euro tuned version is harder to find. Both dealers belong to Autonation and that tempers my optimism. Both times this happened after alonger than normal drive for me(50-80 minutes) when I was driving more slowly-this time in a parking lot.

Salil022

iTrader: (1)

There is definitely a problem....Very Unusual for an LS with that kinda miles to do that

usermel

Dont take your car to anyone but Lexus if you can. Autonations mechanics dont specialize in Lexus' like the dealer does. I know it will be costly if the dealer fixes your issue but, it sounds serious! Something is wrong with your car and it may need testing that a Toyota/Lexus dealer can find easier than a non-Toyota/Lexus! They may not be able t find any issue because they don't know what to look for.

All The Best

L.G.N.M

big_blzr94

sounds like a cam or crank sensor. when they start to go bad the will get hot, loose signal and shut down the car. they after cool down it will restart like nothing ever happened. Have them check those sensors one on driver side cam and one on lower timing cover at crank.

ultra63

Autonation owns both Lexus dealerships here

Kansas

I've had similar problems with the engine dying perhaps 5 - 7 times in the almost 19 years I've been driving Lexus LS cars. The problem has usually been a worn out or defective battery except once in my 90 LS when it was a bad alternator and another time when it was a defective battery cable.

The engine has died only at low speeds - 10 - 15 mph - sometimes when turning a corner or hitting a bump in a parking lot. My repair shop owner tells me that broken battery connection can temporarily disconnect and reconnect so that the car can usually be restarted -- at least until the battery fails completely.

The VSC warning has come on each of the 2 or 3 times the engine in my 2000 LS400 LS400 has died -- according to my owners manual, it is normal for the VSC warning to come on when power from the battery is interrupted. After replacing the battery, the VSC warning can be turned off by following the reset procedure or driving a few miles until it resets itself.

If your VSC warning is not coming on after restarting your engine after it dies, I suspect the problem is not the battery or charging system.