Many times the connector pins on the diagnostic link plug get corroded. A dose or two of contact cleaner usually works pretty good. In a few cases a good scrubbing with a small screwdriver or nail file maybe required.

As norfolknova suggested, go the simple route with a piece of wire to ground the test plug. If you still do not get any codes then you may have a bad PCM as andym indicated above.

 

Reving it while parked does not create the issue. Only when Loading it up while driving down the road..I do not have a tach.

 

did you ever come up with a fix for it? i've got the same problem. acts like its getting ready to die and then will catch and takes off, i can't imagine it being fuel pumps since it does finally catch and go. i was thinking maybe a connection bad.

 

The dealer said it needs a new Catalytic convert.