Check and clean the idle air control and throttle body, the cat would kill
high speed power if bad.
Oh, just put new plugs/wires/capand rotor not two months ago....
stopped up converter?
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Now why didnt I think of that? Pulled the IAC, it was carboned up
pretty good. Cleaned it up put it back in, big improvement. Still has
issues occaisionally, will pull the TB and clean it up real good this
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Ok, finally installed a new IAC valve. Cleaned up the TB as much as I
could. Guess what...still stumbles and dies at idle. It will idle ok
for a bit, then struggle some, and idle ok for a bit, then struggle
some, and so on and so on till it just dies. Doesnt matter if its in
gear or neutral. Doesnt matter if Im applying brake either was
thinking maybe the brake was robbing vacuum/ possibly indicating a
loss of vacuum somewhere...doesnt matter. Same scenario. Have replaced
the EGR valve/EGR solenoid, now the IAC, has a virtually new set of
wires and cap/rotor/ even tried a fuel supplement just in case I had
crappy gas. Truck still runs great at speed, even when pulling a
load...but its irritating as hell trying to back a boat in the water
or stop at a stop sign etc.
Whats left to look at?
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