Camry fails on Warm Start

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Old 23 Dec 2004, 10:48 am   #1 (permalink)
acunniff@adv...trition.com
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Default Camry fails on Warm Start

My son has a 1994 Camry that sometimes fails to start, and it's always
when
the engine is warm. It has never failed to start first thing in the day
or after
it has cooled down but it occasionally fails to start when it is still
warm
from been driven and he then tries to re-start it.

Any idea what the cause can be?

By the way, he took it a ship and they they apparently replaced an
ingnition
coil, or ignition switch coil (I don't have all the details yet), but
that clearly
didn't fix the problem.

Thanks for any ideas.

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Old 23 Dec 2004, 02:10 pm   #2 (permalink)
Rog
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Default Re: Camry fails on Warm Start

Change the coolant temp sensor.

"acunniff@adv...trition.com" <acunniff@advancedbionutrition.com> wrote in
message news:1103820516.718202.94980@z14g2000cwz.googlegro ups.com...
> My son has a 1994 Camry that sometimes fails to start, and it's always
> when
> the engine is warm. It has never failed to start first thing in the day
> or after
> it has cooled down but it occasionally fails to start when it is still
> warm
> from been driven and he then tries to re-start it.
>
> Any idea what the cause can be?
>
> By the way, he took it a ship and they they apparently replaced an
> ingnition
> coil, or ignition switch coil (I don't have all the details yet), but
> that clearly
> didn't fix the problem.
>
> Thanks for any ideas.
>



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Old 28 Dec 2004, 11:07 am   #3 (permalink)
acunniff@adv...trition.com
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Default Re: Camry fails on Warm Start

Thanks, Rog, we'll look into that.

Update: my son's car has another symptom--do you think it's
related to the above? After he starts it, when it is in Park or
Neutral, sometimes it revs up repeatedly, without him
touching the gas pedal or doing a thing.
This revving stops when he puts the car in Drive.

Any ideas? Thanks.

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Old 28 Dec 2004, 12:02 pm   #4 (permalink)
.Philip.
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Default Re: Camry fails on Warm Start

acunniff@adv...trition.com wrote:
> Thanks, Rog, we'll look into that.
>
> Update: my son's car has another symptom--do you think it's
> related to the above? After he starts it, when it is in Park or
> Neutral, sometimes it revs up repeatedly, without him
> touching the gas pedal or doing a thing.
> This revving stops when he puts the car in Drive.
>
> Any ideas? Thanks.


Lean roll. Sometimes a symptom of a "lethargic" O2 sensor response. Can
also be a dirty IdleAirController valve. Neither will trip a Check Engine
light at this stage. The O2 Dynamic Resonse Test is outlined in the shop
service manual.

--

- Philip


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