1991 ES250 random stalling problem: security feature???

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n c - 30 Nov 2006 01:33 GMT

I just bought a 91 ES250 with 92000 miles in great condition. I got it
checked by the local Lexus dealer and my trusted import mechanic who
put it thru a standard prepurchase inspection and it passed both with
flying colors.

It is running perfect except sometimes right after I start it it the
engine will just turn off for no reason.
This has happened three times in the last week. It has a remote
starter which I use frequently, I don't know if this has anything to do
with it.

Does anyone know if Lexus has some kind of security feature that I'm
inadvertently tripping? Or has anyone else experienced this problem?
It never rides rough or stalls when I'm driving. Appreciate any input!

n c

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Ray O - 30 Nov 2006 05:28 GMT

>I just bought a 91 ES250 with 92000 miles in great condition. I got it
> checked by the local Lexus dealer and my trusted import mechanic who
[quoted text clipped - 12 lines]
>
> n c

The remote starter was not a factory option at that time, and random
stalling was not a common complaint in that car so I would examine the
operation of the remote starter system first. Most remote starter systems
require the key to be inserted in the ignition and turned to the on position
in a certain amount of time or it will shut the engine off. They will also
shut the engine off if the transmission is put in gear without inserting the
key and turning it to the on position. I would look to see if the ignition
switch signal is getting to the remote starter's computer.

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Ray O
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