when i 1st start it up when its cold it will idle at about 2k then slowly move down to 700-1k.but when i tap the gas insteed of going up and comein right back down it goes up then kinda stays there and slowly moves down,and when im drivein i hit the cluch to come to a stop it stays at 2k and slowly moves down.

it gets a little bit better after i have driven the car a few miles but not much.any help any of you could throw my way would be appreciative but plz im a newbe so dont blast me with all of the lengo as i have no clue what AIC,SAFC ect mean,so plz keep it simple for a newbe to read..Thanks

that's perfectly normal for a cold start. just let your car run for a good 5-10 minutes before taking off.

Check your throttle cable. Also, make sure the throttle plate is closing all the way when you let off the gas pedel. Have you done any recent mods to the intake? on a cold day(and im CO) mine will got to maybe 1300 but in MY oppinion if it is going to 2k then it should be looked at.

Im not a mechanic though, so you dont have to listen to me. but i have done a lot of work on my intake/mani/tb lately and its been getting down to under 10 degrees here in Colorado and like i said in my opinion it shouldnt rev quite that high.

Edit: Sorry, i just re-read the post and yeah that is kinda normal. i thought you were saying that it was staying at 2k... i would still check your throttle if it still does it after your car is completely warmed up. once mine is warmed up(10mins tops) it goes back to normal and revs up and down freely.

1998 GS
Mods: Cold air intake, Ported/polished stock intake manifold, AFX 55mm TB, Pacesetter header,
Custom Magnaflow cat-back exhaust system, AFX Underdrive pulley,
B&M short throw shifter(cut/welded), Symborski Shift Kit, Solid front motor mount, Monster ground wire kit.

Status: Finally up and running!

how cold is it? im in MN (high today was -10F) and that is what happens to me everyday. it is just designed so your engine will warm up faster, and not stall by dropping to fast.

______________________________________________
the real skill isnt in the wrenching, its in the tuning and sorting out of the details once the nuts and bolts are tightened up.



70mm mustang TB
2 fuel rails (8-injectors)...in hand but not yet installed.
funtional chrome vette sidepipes (true dual exhaust)
75 shot nitrous
4000 watt stereo
and bunch of minor mods on her now.

my guess is the iac motor. take it out and clean the plunger off with electric parts cleaner. take the tb off and spray out the mounting area with brake clean. it can become caked with carbon due to the egr setup. you may need a new tb gasket also, sometimes it will crack into piecs when pulling the tb off. try that...chris

No need to cross post like this. You could just link to the old thread in the GenForum of mine that you also posted the exact same question...

Go and slightly loosen up the throttle cable at your intake manifold. That was my problem but it may and may not be yours. It would only do it for about 20 minutes and after that it was gone. If you want to check pop your hood and (don't just pull on the throttle cable) you need to go in the car and press the accelerator and let it up slowly then go and check to be sure the throttle plate has completely closed. If you just pull up on the cable it will close completely but sometimes won't when you press the accelerator.

I am parting out my 95 RS!!!

http://forums.2gnt.com/dcboard.php?az=show_topic&forum=49&topic_id=3652&mode=full