idles inconsistant at stop lites and excelleration until about 3500-4000 rpms, see below

1998 FORD MUSTANG
150,000 MILES
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SCOTTAGE
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i have changed the following: IAC, fuel pressure regulator, fuel pump, MAF, plugs and wires, o2 sensors, and TPS...I give up...help!
Nov 2, 2011 at 1:24 AM
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