Have a look at your plastic vacuum lines also. I had it so bad my RPMs would hold at 3K until I came to a COMPLETE stop. Turned out to be a cracked line and a $.50 6" rubber hose fixed it
Alex
00 T-Red/Tan SVTC
#1964/2150
167 HP @6800
153 TQ @3000
Sold-
98 'Tour SE 24V 5-spd
149 HP @5900
148 LB FT @4300