[T3] I've got another question , same one I asked a while back.

[William Jahn]

Jim , let me know the cost for the 505 vacuum can

William

On Fri, Jul 20, 2018 at 12:36 PM, Jim Adney <jadney at vwtype3.org> wrote:

> On 20 Jul 2018 at 12:06, jude wrote:
>
> > If I have the sensor connected and the car is in park sitting in the
> > drivers seat idle @1000 RPM and slowly push down the gas pedal I watch
> > the tach I have on the dash ,what I see is once the RPM reaches about
> > 1200 RPM the rpm reading on the tach begins to climb up then I see the
> > needle begin to rise and fall 200 to 300 RPM it then gets worse @ 2000
> > RPM meaning the RPM swing is still 200 to 300 RPM yet swings at a
> > faster rate.
>
> Try this:
>
> Reconnect the temp sensor.
>
> Unplug the throttle position switch (TPS.)
>
> Try the exercise as above again. Is the RPM swing gone? If so, it may just
> be the normal TPS contact pulsed enrichment. If that's all it is, you can
> ignore it. If you want, I can send you my faq on testing your TPS and
> making
> sure it's set correctly. Note that nothing you've indicated points to a
> misadjusted TPS, but the '72-3 TPSs have a habit of wearing out, so it's
> worth doing the test.
>
> Muffler cement is more like plaster or Portland cement. It ignores heat. I
> suspect that an exhaust connection can get too hot even for Silicones.
>
> --
> *******************************
> Jim Adney, jadney at vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
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