Honda Car Forum

99 Acura 3.2 TL with 86000 miles...

My car was fine a few days ago. Now, when I start it the idle goes up and
down like crazy. Any ideas what it could be? The idle control valve was
replaced just last year!

On 9/29/04 1:18 PM, in article
90D6d.52463$Of3.31366@tornado.tampabay.rr.com, "Cirene" <dont@email.me>
wrote:

> 99 Acura 3.2 TL with 86000 miles...
>
> My car was fine a few days ago. Now, when I start it the idle goes up and
> down like crazy. Any ideas what it could be? The idle control valve was
> replaced just last year!
>
>
The troubleshooting chart in the FSM says:

Symptom: Idle speed fluctuates

Diagnostic procedure:
1. check/adjust the idle speed
2. inspect/adjust the throttle cable
3. inspect and test the throttle body

Also check for:
Intake air leaks.

If you want to try to do any of this yourself, post a good email addr & I'll
send you the "how-to" pages from the FSM (Helm book).

Cirene wrote:
> 99 Acura 3.2 TL with 86000 miles...
>
> My car was fine a few days ago. Now, when I start it the idle goes up and
> down like crazy. Any ideas what it could be? The idle control valve was
> replaced just last year!
>
>
=====================
Cirene,

Is the rad full to the top, and the reservoir full to the line, per the
manual?

'Curly'

I got this a few years ago on my bmw 325I. It was due to the lambda sensor.
It mesures the level of o2 i think.


"Cirene" <dont@email.me> wrote in message
news:90D6d.52463$Of3.31366@tornado.tampabay.rr.com ...
> 99 Acura 3.2 TL with 86000 miles...
>
> My car was fine a few days ago. Now, when I start it the idle goes up and
> down like crazy. Any ideas what it could be? The idle control valve was
> replaced just last year!
>
>

FWIW, I had this problem on another car (not my Acura). It was diagnosed as
a faulty oxygen sensor causing fluctuations in the richness of the fuel mix.