Have you checked for a vacuum leak.
Helaman <zoraster DeleteThis @REMOVEopera.com> wrote in message
news:Sy4tj.7370$R84.2608@newssvr25.news.prodigy.net
> I have a 96 Isuzu Hombre truck with 91,000 miles.
> It has been running surprising and pleasantly great, but today coming
> back from a job it suddenly has little power.
>
> Other than that it sounds fine except for a small tapping sound which it
> has had for several years. There are no loose cables or tubings, no funny
> smells, nothing usual. I could barely get it up to speed on the freeway.
> It will still do 70 miles an hour once I go through all the gears.
>
> Any small hill, I have to down shift to make it up.
>
> Any ideas what could have happened...feels like it is not getting gas.
> could it be a plugged filter??
>
> Thanks
> >> Stay informed about: suddenly loss of power