Bad or broken vacuum line.
Failing Idle Air Control.
<latv.RemoveThis@webtv.net> wrote in message
news:18738-47E85CB7-1167@storefull-3315.bay.webtv.net...
>I have a 89 Ford Ranger with a 2.9 V6 Fuel Injection. The trouble is
> that the engine stalls and the RPMs keeps changing at low speed or idle.
> ?????????
> Larry
>
> >> Stay informed about: 89 Ford Ranger