my 86 mercury 5.0 does the same thing.
----- Original Message -----
From: "Bob Mankin" <bob@coralfarms.com>
To: <dakota-truck@dakota-truck.net>
Sent: Tuesday, October 14, 2003 7:37 PM
Subject: RE: DML: The WRONG way to test for transmission troubles
>
> I've changed 3 TPS sensors, all for this same problem. Each time the
> problem
> was solved.
>
> If you leave it in there long enough it will start getting worse and doing
> it during normal throttle operation. IOW, without the cruise control on.
> Did
> that on the wife's Durango until I changed the sensor.
>
> Bob
>
>
> > -----Original Message-----
> > From: owner-dakota-truck@bent.twistedbits.net
> > [mailto:owner-dakota-truck@bent.twistedbits.net]On Behalf Of John
> > Sent: Tuesday, October 14, 2003 3:58 PM
> > To: DML
> > Subject: RE: DML: The WRONG way to test for transmission troubles
> >
> >
> >
> > Gary,
> > My Dak is doing what appears to be the same thing as yours. The RPM's
> > fluctuate about 100 while it's in cruise and I'm driving through
> > slightly
> > rolling country side. With cruise control on, this is pretty easy to
> > duplicate. It seems to happen most when I crest a hill. With
> > cruise control
> > off, the truck runs normally. I'm guessing the computer is unlocking the
> > torque converter for a second or two, then re-engaging it. It may do
> > this
> > 2-3 times in the course of 3-4 seconds.
> >
> > Anyone have any ideas? BTW, fluid level is good, it's fresh and
> > the problem
> > happened before and after I replaced the pressure regulator and
> > solenoid.
> >
> > John
> > http://jndneff.home.texas.net/dakota/dakota.html
> >
> > <snip>
> > The first 100 miles were
> > pretty scarry, got the same symptoms as before (fluxuating RPM's while
> > on
> > cruise).... but then I decided to turn the cruise off and hold the gas
> > at
> > 1/2 throttle. Guess what! Nothing!! No fluxuation in RPM's, no funny
> > noises, nothing! The truck ran great the rest of the way there, and
> > the
> > way back...getting about 18mpg's on average for the trip.
> > <unsnip>
> >
> >
>
>
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