The next time it cats updo the on/off trick with the ignision switch.
If it starts running good for the next few miles, itis a computer
related problem. If it is, unplug the O2 and drive. If it still acts up,
re-attach O2, and start looking at the temp. sensor.

            Eric                   86-VW4x4
            vw4x4@fyi.net          86-SS Syncro
            Pittsburgh, PA USA     1936-Chrysler
                                   92-Jetta GWC
            www.fyi.net/~vw4x4/vw4x4.htm

On Wed, 15 Jan 2003, Todd Brutlag wrote:

> Van gradually shuts on/off at freeway speeds til it barely runs.Could not
> restart so was brought to shop. Charged $640 for plugs, oil,cat conv.,oxy
> sensor,3 hrs. labor,and adjustments.They told me at first the ECM was dumping
> fuel, (that's why they replaced my new oil & plugs)then did the other
> work.They said it ran fine but it did the same thing after driving it for
> about an hour on the freeway.I took it back to the shop and they suggested
> replacing the wiring harness for the air flow meter ($180 plus labor-$83/hr).
> I said maybe later as my cash is low.Found solution of soldering 22
> microfarrad capacitor ($3) to terminals inside air flow meter.(see
> www.geocities.com/harald_nancy/intermitt._syndrome.htm).That didn't fix
> it.Friend suggested gas cap not venting fuel tank and creating vacuum.Will
> try that next.I also notice that when the problem happens the engine temp is
> at the cooler end of white area  and the fuel guage shows empty instead of
> half full.Any help appreciated.Thanx.
>