Re: Fw: idle variation

[T Berk <tberk@mindspring.com>]

timothy piwonka wrote:
> 
> ----- Original Message -----
> From: timothy piwonka <t.piwonka@worldnet.att.net>
> To: <scirocco-l@scirocco.org>
> Sent: Thursday, July 12, 2001 1:22 PM
> Subject: idle variation
> 
> when it is how outside my car idles at right over 1000rpm but when it is
> cold out side it idles at right under 1000 rpm.  I am sure there is some
> electrical item that measures outside air temp, so enlighten me.
> 
> this is an 86 16V.
> 
> thanks
> Robert
>

I don't think it's a measurment of the temp- more like it's the lower
temp helps the car run better given it's current settings. Lower temp =
denser air, burns better cause it holds more air/fuel per given volume.

Bypass during cold start sticking? (O2 sensor safe carb cleaner), 5th
injector not spraying clean?

You might have a really rich condition going on.

After you get all the chances or air leaks worked out; injector seals,
braided rubber vacumm hose ends replaced, rubber boot and intake cracks
eliminated, etc then you might take it to a good local shop and ave them
stick the alien probe up the tail pipe on the 10k$ machine and get it
reset. You should be able to maintane it from there.


hth,
TBerk

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