The DOC doesn't really have a search function, unfortunately; Hit their forum
and forum archives and use CTRL-F in your browser to search each page. look for
"TPS" or "surging". Main site is http://www.durangoclub.com/
"Suter, Rick" wrote:
> Neil,
>
> I don't think this is the problem with my truck as the surging with
> cruise only happens after it's been set a while and then happens continually
> and sporadically. However, I'd love to know the unlearn, if you'd be so kind
> as to send it.
>
> And Andy,
>
> Do you have a pointer to the Durango issues/resolutions you are
> referring to?
>
> thanks,
>
> Rick
> ------------------------------
>
> >Date: Mon, 17 Sep 2001 12:53:46 -0400
> >From: "Neil W. Bellenger" <neil624b@rochester.rr.com>
> >Subject: DML: RE: 300 RPM surge with cruise control (long)
> >
> >Rick,
> >I also have a '99 5.2 liter Dak with cruise control. You didn't >>>indicate
> if
> >the surge situation occurs when initially setting the speed or begins after
> >steady cruising for a period of time.
> >There is an explanation of "Overspeed/underspeed following speed >control
> >set" in the '99 service manual, page 8H-4. The explanation is that if >the
> >operator presses and releases the set button with their foot off the
> >accelerator (a "lift foot set" to begin speed control operation), the
>
> >Date: Mon, 17 Sep 2001 12:57:01 -0400
> >From: Andy Levy <andylevy@yahoo.com>
> >Subject: Re: DML: 300 RPM surge with cruise control set at 75
> >MPH................
>
> >Seems to happen to a number of Durango owners. Get the throttle >position
> sensor
> >(TPS) checked out and/or replaced.
>
> >"Suter, Rick" wrote:
>
> > One of the many issues with my '99 5.2l is a sporadic increase then
> decrease
> > of 2-300 RPMs while using cruise control on the highway at 75 MPH. The
> > dealership, as usual, has been no help at all. My thoughts were lockup
> > torque converter impending failure, some sensor telling the truck to do
> this
> > or something along these lines. However, I noticed recently that the truck
> > DOES NOT do this when cruise control is not used while driving a constant
> > 75. I suspect, it's the cruise control, itself. What might drive this
> > behavior if it is the cruise? Vacuum? Electrical?
> >
> > thanks,
> >
> > Rick
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