Check the TPS. Had a 99 V6 myself,with that revving
(going up a hill,for me). They replaced the throttle
position sensor and it fixed that. May be your problem
too. Steve P.
--- Cal Hyer <clhyer@earthlink.net> wrote:
>
> Happy 4th!
>
> The Dak: '99 V-6, Auto, 41,000 miles
>
> The problem: It has just started "surging". While
> driving with a/c & cc on
> we notice it will periodically rev up 1-200 rpm.
> You can see the tack jump,
> feel it in the seat & hear the engine rev. It is
> almost as if the torque
> lockup is unlocking. It doesn't matter if we are
> going uphill, level or
> downhill. It happens very fast, rev up and then go
> back to the normal rpm.
> We've had the truck since new and it has never done
> this. Took it to the
> dealer yesterday but they couldn't find anything
> wrong. Any ideas?
>
> TIA,
> Cal
>
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