Honda Car Forum

#1 (**permalink**) 06 Sep 2003, 02:11 pm

I think my EACV needs some cleaning as I occasionally get a slight surge of
idle speed when stopped and then the idle will drop back to below 500 rpm
and then cycle a few times. When idling properly the idle speed is exactly
correct according to the ECU. Car starts and runs perfectly otherwise. Am I
on the right track?

#2 (**permalink**) 06 Sep 2003, 10:22 pm

"Mikey" <%noospaam)mikling@eol.ca> wrote in message
news:6mq6b.32328$c33.12268@nntp-post.primus.ca...
> I think my EACV needs some cleaning as I occasionally get a slight surge
of
> idle speed when stopped and then the idle will drop back to below 500 rpm
> and then cycle a few times. When idling properly the idle speed is exactly
> correct according to the ECU. Car starts and runs perfectly otherwise. Am
I
> on the right track?
>
>

Mikey;

My EACV needs replacing according to the dealer; the reason is my car idles
high (2500 rpm) for quite a few minutes when it's cold. I also get a yellow
"check engine" light, which I reset and it doesn't come back for quite a
while. I'd like to know if I can clean mine as well. I think it's a $300
part.

Doug

#3 (**permalink**) 06 Sep 2003, 11:33 pm

Isn't there a separate high idle circuit for start conditions? I suspect it
is not the EACV be careful.
"Doug Holtz" <dholtz@wi.rr.com> wrote in message
news:7tx6b.54794$Jb1.20130@twister.rdc-kc.rr.com...
>
> "Mikey" <%noospaam)mikling@eol.ca> wrote in message
> news:6mq6b.32328$c33.12268@nntp-post.primus.ca...
> > I think my EACV needs some cleaning as I occasionally get a slight surge
> of
> > idle speed when stopped and then the idle will drop back to below 500
rpm
> > and then cycle a few times. When idling properly the idle speed is
exactly
> > correct according to the ECU. Car starts and runs perfectly otherwise.
Am
> I
> > on the right track?
> >
> >
>
> Mikey;
>
> My EACV needs replacing according to the dealer; the reason is my car
idles
> high (2500 rpm) for quite a few minutes when it's cold. I also get a
yellow
> "check engine" light, which I reset and it doesn't come back for quite a
> while. I'd like to know if I can clean mine as well. I think it's a $300
> part.
>
> Doug
>
>

#4 (**permalink**) 07 Sep 2003, 09:17 am

That idle circuit you are talking about may be the same problem you have.
The fast idle valve could be causing your surge too. The first thing I
would look at is your coolant level though. There is a bleeder on it to
make sure that there is no air.

"Mikey" <%noospaam)mikling@eol.ca> wrote in message
news:lAy6b.339$Xd6.263@nntp-post.primus.ca...
> Isn't there a separate high idle circuit for start conditions? I suspect
it
> is not the EACV be careful.
> "Doug Holtz" <dholtz@wi.rr.com> wrote in message
> news:7tx6b.54794$Jb1.20130@twister.rdc-kc.rr.com...
> >
> > "Mikey" <%noospaam)mikling@eol.ca> wrote in message
> > news:6mq6b.32328$c33.12268@nntp-post.primus.ca...
> > > I think my EACV needs some cleaning as I occasionally get a slight
surge
> > of
> > > idle speed when stopped and then the idle will drop back to below 500
> rpm
> > > and then cycle a few times. When idling properly the idle speed is
> exactly
> > > correct according to the ECU. Car starts and runs perfectly otherwise.
> Am
> > I
> > > on the right track?
> > >
> > >
> >
> > Mikey;
> >
> > My EACV needs replacing according to the dealer; the reason is my car
> idles
> > high (2500 rpm) for quite a few minutes when it's cold. I also get a
> yellow
> > "check engine" light, which I reset and it doesn't come back for quite a
> > while. I'd like to know if I can clean mine as well. I think it's a
$300
> > part.
> >
> > Doug
> >
> >
>
>

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