No start - big help needed

[Dave Hord]

Okay...the saga continues.

Came home...cranked 'er over.  She started...but running on MAYBE three
cylinders (or so it sounded/felt like).  I let it idle (if you can call it
that) for about 5 min.  It's running on all five...but SOOOOOO rough.

I've determined that there is spark at all 5 cylinders (by carefully removing
one spark plug wire and replacing it before moving on to the next).

I've determined that there is no vaccum leak.  NORMALLY if I remove the
dipstick while the car is running, it stumbles but doesn't stall...BUT NOW! If
I remove the dipstick it runs for a second and DIES.

Sigh...can an oxygen sensor (dead) really DO all this??  (please oh please oh
please!?!)

Ideas? Thoughts?  Flames??

-Dave

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89 90q  300km+ Rally Conversion in High Gear...
(sometimes it helps to hit trees??)
http://home.the-wire.com/~spokes