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Old 11 May 2007, 03:47 pm
Zippo
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Default 94 Accord idling high

Got a 94 Accord,2.2L with manual trans.Engine rpm's can race to 2000
when engine is hot and while driving in stop and go traffic.Seems to
coincide with the warmer wheather and air going into the throttle body
as it seems to be fine while highway driving.I know the IACV is
working properly when first starting the car but can it stick when the
engine is hot?Map sensor?~thanks

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Old 11 May 2007, 04:33 pm
Jim Yanik
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Default Re: 94 Accord idling high

Zippo <special.hfx@hotmail.com> wrote in
news:1178916422.077691.169650@y5g2000hsa.googlegro ups.com:

> Got a 94 Accord,2.2L with manual trans.Engine rpm's can race to 2000
> when engine is hot and while driving in stop and go traffic.Seems to
> coincide with the warmer wheather and air going into the throttle body
> as it seems to be fine while highway driving.I know the IACV is
> working properly when first starting the car but can it stick when the
> engine is hot?Map sensor?~thanks
>
>


Could be low coolant level or air in the cooling system.
The coolant is not covering the coolant temp sensor properly,so the ECU
gets bad temp data,.....

--
Jim Yanik
jyanik
at
kua.net
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Old 11 May 2007, 04:38 pm
Tegger
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Default Re: 94 Accord idling high

Zippo <special.hfx@hotmail.com> wrote in news:1178916422.077691.169650
@y5g2000hsa.googlegroups.com:

> Got a 94 Accord,2.2L with manual trans.Engine rpm's can race to 2000
> when engine is hot and while driving in stop and go traffic.Seems to
> coincide with the warmer wheather and air going into the throttle body
> as it seems to be fine while highway driving.I know the IACV is
> working properly when first starting the car but can it stick when the
> engine is hot?Map sensor?~thanks
>
>




Is it fluctuating between high and low?

First, with the engine COLD, remove the rad cap. Is the coolant right up to
the top of the rad filler neck? If it's low, top up, fill the reservoir as
needed, and see if that helps the idle. If not...

With the engine fully warm, remove the air pipe from the air cleaner to the
throttle body. Start engine. With idle high or fluctuating, block the LOWER
port in the throttle body with your finger. Does the idle settle down? Then
it's the Fast Idle Thermo Valve, under the throttle body.

--
Tegger

The Unofficial Honda/Acura FAQ
www.tegger.com/hondafaq/
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Old 11 May 2007, 06:40 pm
Zippo
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Default Re: 94 Accord idling high

On May 11, 6:38 pm, Tegger <teg...@tegger.c0m> wrote:
> Zippo <special....@hotmail.com> wrote in news:1178916422.077691.169650
> @y5g2000hsa.googlegroups.com:
>
> > Got a 94 Accord,2.2L with manual trans.Engine rpm's can race to 2000
> > when engine is hot and while driving in stop and go traffic.Seems to
> > coincide with the warmer wheather and air going into the throttle body
> > as it seems to be fine while highway driving.I know the IACV is
> > working properly when first starting the car but can it stick when the
> > engine is hot?Map sensor?~thanks

>
> Is it fluctuating between high and low?
>
> First, with the engine COLD, remove the rad cap. Is the coolant right up to
> the top of the rad filler neck? If it's low, top up, fill the reservoir as
> needed, and see if that helps the idle. If not...
>
> With the engine fully warm, remove the air pipe from the air cleaner to the
> throttle body. Start engine. With idle high or fluctuating, block the LOWER
> port in the throttle body with your finger. Does the idle settle down? Then
> it's the Fast Idle Thermo Valve, under the throttle body.
>
> --
> Tegger
>
> The Unofficial Honda/Acura FAQwww.tegger.com/hondafaq/


Thank you all for your insight.I'll give it a go tomorrow.

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