Hi.. I have a 94 Dakota (V6 3.9L) and I have the same thing happening, so
you're not the only one. Are you in a cold climate? Mine idles around 700
usually and when it's cold, and the engine has not warmed up yet it will
rev to 1000 for less than a second, every 5-10 seconds maybe. I didn't
really think of it much as a problem rather maybe the computer trying to
warm the engine up a little faster. This only happens when I am in park.
Jared
1994 Dodge Dakota Sport, 3.9L V6, Auto, K&N air filter, Mobil 1
>- -----Original Message-----
>From: owner-dakota-truck@buffnet.net
>Subject: Re: DML: RE: v6 up and down idle
>
>it would be idling at 700-800 then go up to 1000. then go back down and stay
>there for a bit then go back up.
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