How to set idle on a 97 Civic DX

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larryr - 06 Sep 2004 02:09 GMT

Is it possible to set the idle speed on a 97 Civic DX w/manual trans, or
is this something that has to be done by computer at a dealer? The car
runs fine and never stalls and it idles smoothly, but it only idles at
about 300-400 rpm. If this is something that can be done at home, what
is the procedure? Thanks, i'm new to honda's so any help would be
appreciated....Larry

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Randolph - 06 Sep 2004 04:29 GMT

The procedure depends on what engine you have (The D16Yxx code, several
engines were used in '97, I don't know what the DX used). On some
engines, the adjustment is a simple DIY procedure. On others, it can be
done with just a tachometer, but it is recommended to use a factory
programming tool. If you post the first 6 characters of the VIN, I'll
post the correct procedure for your car. Also state if the car is USA
spec. or Canadian spec. (those are the only two countries I have the
procedures for).

One possible cause of low idle is a dirty IAC (Idle Air Control) valve.
If this is the case, it should be cleaned before you try to adjust the
idle speed.

> Is it possible to set the idle speed on a 97 Civic DX w/manual trans, or
> is this something that has to be done by computer at a dealer? The car
> runs fine and never stalls and it idles smoothly, but it only idles at
> about 300-400 rpm. If this is something that can be done at home, what
> is the procedure? Thanks, i'm new to honda's so any help would be
> appreciated....Larry

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