Q: 1986 isuzu pick up fresh tune up on it drove great for 1500 miles now it starts but will die unless continuous throttle is kept

asked by on September 08, 2017

I recently was given the pick up from a friend it ran pretty rough I gave it new plugs, wires, distributor cap, rotor, replaced vacuum lines, changed oil and filter, and adjusted the idle because it was idling pretty high 2500 rpm I would guess (doesn't have a tach). Drove It 1500 miles no problem on the way back from a camping trip I was pushing it pretty hard to get home faster when I reached my exit from the freeway it died when I slowed to a stop got is started and drove home keeping throttle on it the whole time. Now it starts but dies unless you keep continuous throttle on it.

My car has 149888 miles.
My car has a manual transmission.

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