Steady idle but trouble with throttle

BlackandBlue

New Member
I currently have a 1993 Acura Integra GS 2 dr. We recently put in a used motor with 80,000 miles on it because the other motor blew. After the insurance company totaled our other Acura after a wreck, we swapped all of the parts from under the hood (minus the engine) and the transmission. All of the parts were running great in the old Acura. With the new motor in the current Acura, it idles great but after driving for 30 seconds, the engine just quits. When revving at a stop, you have to feather the throttle until it hits about 3000. At 3000, it revs just fine but if you completely let off, it dies instead of going back to idle. PLEASE HELP!!!
 
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