1999 Toyota camry Warm start roblem

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Old 27 Mar 2006, 12:24 pm   #1 (permalink)
jap292
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Default 1999 Toyota camry Warm start roblem

I have a 1999 Camry with about 100,000 miles on it and it has just started to
give me problems. Now that the weather is getting warmer it seems to not
want to stay started on initial start. As soon as I start it up the idle is
very low and then it stalls out. The only way I can get it it to stay
started is to hold the gas pedal down for about ten seconds after it starts
and then the idle speed jumps up a little and it runs normal. Can anyone
give me a little help on this?
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Old 27 Mar 2006, 02:42 pm   #2 (permalink)
Justa Lurker
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Default Re: 1999 Toyota camry Warm start roblem

jap292 wrote:
> I have a 1999 Camry with about 100,000 miles on it and it has just started to
> give me problems. Now that the weather is getting warmer it seems to not
> want to stay started on initial start. As soon as I start it up the idle is
> very low and then it stalls out. The only way I can get it it to stay
> started is to hold the gas pedal down for about ten seconds after it starts
> and then the idle speed jumps up a little and it runs normal. Can anyone
> give me a little help on this?


Google search for "IAC" valve and procedure to clean it. Sure sounds
like that may because cause of your problem.
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Old 28 Mar 2006, 11:38 pm   #3 (permalink)
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Default Re: 1999 Toyota camry Warm start roblem

Sounds like your IAC valve, if you don't want to do the clean-up procedure
mentioned in this group, your other options are to have a fuel induction
service for about $100 with a coupon or replace the whole valve, that'll
require a trip to your dealer and about $400. After that, you'll have to
keep an eye on it, because it tends to return. After a full replacement,
you won't have a problem for a long time...over a year anyway. As cars get
older they run dirtier and this clogs up the valve quicker, that's why
Camrys don't have a problem until the 7 year mark and then most of us have
problems. You can at least put your mind at ease that it isn't serious and
is VERY common.

"jap292" <u20174@uwe> wrote in message news:5de45e012360b@uwe...
>I have a 1999 Camry with about 100,000 miles on it and it has just started
>to
> give me problems. Now that the weather is getting warmer it seems to not
> want to stay started on initial start. As soon as I start it up the idle
> is
> very low and then it stalls out. The only way I can get it it to stay
> started is to hold the gas pedal down for about ten seconds after it
> starts
> and then the idle speed jumps up a little and it runs normal. Can anyone
> give me a little help on this?



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Old 29 Mar 2006, 09:09 am   #4 (permalink)
jap292 via CarKB.com
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Default Re: 1999 Toyota camry Warm start roblem

wrote:
>Sounds like your IAC valve, if you don't want to do the clean-up procedure
>mentioned in this group, your other options are to have a fuel induction
>service for about $100 with a coupon or replace the whole valve, that'll
>require a trip to your dealer and about $400. After that, you'll have to
>keep an eye on it, because it tends to return. After a full replacement,
>you won't have a problem for a long time...over a year anyway. As cars get
>older they run dirtier and this clogs up the valve quicker, that's why
>Camrys don't have a problem until the 7 year mark and then most of us have
>problems. You can at least put your mind at ease that it isn't serious and
>is VERY common.
>
>>I have a 1999 Camry with about 100,000 miles on it and it has just started
>>to

>[quoted text clipped - 6 lines]
>> and then the idle speed jumps up a little and it runs normal. Can anyone
>> give me a little help on this?




Thanks for the info I, from reading other threads I kind of figured thats
what it was. I did price out a new one for about $260. from auto zone. I'm
going to replace it the next chance I get just so I don't have to deal with
tearing it apart again for a while.

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Old 30 Mar 2006, 08:37 am   #5 (permalink)
Daniel
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Default Re: 1999 Toyota camry Warm start roblem

Try spraying Tri-Flow into the IAC air intake (rectangular opening -
bottom of throttle body, right in frint), with the engine stumbling at
cold idle.
After I replaced the valve, problem returned, but this solved it.
My theory is that there is no lubrication for this valve to rotate -
every time engine goes from cold to warm - and it can stick.
When I took out the old valve, just out of curiosity I pulled it apart,
and there were some wear marks on the surface of the cylinder that
moves to reveal an opening for air flow.
Tri-Flow contains Teflon, and so far, it has continued to work just
fine with a single application to the new valve.

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