compression ok? or something is getting hot? fuel pressure
reg cap good? i did the cap fix and it felt like it took
it away, maybe my AFM is worn I really don't like the AFM
on the vanagons and wish something was better out there
to still pass smoggy. ohh i replaced my hall also

also note this happen with my old motor and again with
my rebuilt 1.9. i have new fuel line some vac lines
same ol fuel injectors that are working. but my AFM is
stock.

just a fyi my van likes to do this only after my wife
drives it??

On 02 Dec 2002, Mike Miller wrote:

> Vacuum leak?
>
> On 12/2/02 6:02 AM, "Tom"
> <tomsalicos@ATTBI.COM> wrote:
>
> > Just returned from a round trip from
> > Portland, Oregon to near San Diego
> > California. Down was totally uneventful.
> > About halfway back, I noticed a hesitation
> > after briefly coasting, then
> > re-accelerating. This continued and got
> > worse until it hesitated badly any time I
> > backed off the accelerator. The hesitation
> > was like suddenly it just had no power. If I
> > went directly from coasting to "flooring
> > it", there was no hesitation. Being Sunday
> > morning and needing to be back for Monday, I
> > continued to drive it. Great if I could
> > drive at 80, but really crappy when I had to
> > slow down. Glad I did not have to explain to
> > a Hiway Patrol: "You see, officer, I can't
> > stop accelerating or it will not run right".
> >
> > I pulled off when it got bad, let it cool
> > down then continued. Wound up stopping every
> > hour or so. Late in the trip, having the
> > hesitation episode, but going down a hill, I
> > turned the ignition off for 5 seconds, then
> > restarted
> > it.  Hesitation *mostly* gone, but coming
> >      back after half an hour or so.
> >
> > The van is an '87 2.1 without the capacitor
> > or *harness* fix. Engine has about 30k miles
> > on a rebuild, new-ish oxygen sensor, Temp2
> > sensor and runs flawlessly most of the time.
> >
> > Isn't there a circuit to cut the fuel supply
> > on deceleration? Could this be
> > malfunctioning? Where would one look if so?
> >
> > Of course, the problem went completely away
> > when I got to about 100 miles from home.
> >
> > Thanks for any input.
> >
> > Tom Salicos '87 Syncro Westy
> >