I replaced the fuel filter 3000 miles ago,along with the cap,rotor,plugs,msd wires,pcv.etc. The car was completely stock.Any mod i've done didn't seem to make it any different.It almost seems if a injector is getting a bad signal at that rpm.But I would think over time this would have got worse.This has been going on for 3 yrs and 6000 miles?Thanks for the ideas though.
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