Idles inconsistant at stop lites and excelleration until about 3500-4000 RPMs, see below

Tiny
SCOTTAGE
  • MEMBER
  • 1998 FORD MUSTANG
  • 150,000 MILES
I have changed the following: IAC, fuel pressure regulator, fuel pump, MAF, plugs and wires, o2 sensors, and TPS.I give up. Help!
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Wednesday, November 2nd, 2011 AT 1:24 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • EXPERT
Have you checked for vacuum leaks? EGR?
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Wednesday, November 2nd, 2011 AT 1:28 AM

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