If you're not getting a check engine light, I would definately look at the
oxygen sensor... it should trip a code if the computer can't compensate...
if it's not, it's broken... try pulling the codes (I think the ignition
on-off-on-off etc trick works with '89s... correct me if I'm wrong) They may
tell you what's wrong.
Gary Shook
>Above truck stalls when accelerating from a standstill. At idle the engine
is smooth
>with no noticable missing. When the accelerator is pressed slightly the
engine
>begins to stall, black smoke is pretty heavy out the exhaust. If the
accelerator is
>pressed on down the engine picks up speed rapidly and the truck moves out
rapidly. If the
>accelerator is not moved from the initial position, the engine will "flood"
out and die. Much more black smoke just before dying!
>
>
>Throttle Position Sensor? Or what?
>
<snip>
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