This has got to be the most interesting problem I've ever seen :)
HOT or COLD, Put it in gear and it will drive, idle perfect.
Hot or cold, put in it neutral or park, 'pop' the throttle and it will
stall or start surging between 1 & 3,000 rpm.
Here's the INSANE part. Van up on jack stands. Put tranny in neutral
and you get this:
If neither tire is spinning, and pop the throttle it will STALL the
If you hand spin one tire, and pop the throttle, its perfect and won't
BTW, same trick won't work in Park...
To date, I've got new O2 sensors, Mass air flow sensor, Plugs, Wires.
Fuel system test OK, No codes in computer, Throttle position sensor
tests perfect, Cleaned the Idle air speed motor, Coolant sensors
appear to work. VSS works.
I can Hear the Idle responding to things like Power Steering, A/C,
Transmission drag when putting it in gear. It won't stall on its
own usually (as long as its in drive, or neutral with a tire
95 Ford Windstar 3.8 From Hell
http://lerch.no-ip.com/atm (My telescope construction, Testing, and Coating site)
Press on: nothing in the world can take the place of perseverance.
Talent will not; nothing is more common than unsuccessful men with talent.
Genius will not; unrewarded genius is almost a proverb.
Education will not; the world is full of educated derelicts.
Persistence and determination alone are omnipotent.