Ok so heres what i did, i took it to my schools autoshop and i got to work on it for a few hours. First, i bled the cooling system and it still idled from 800-1500. next i removed my IACV and my shop teacher told me to clean it with brake cleaner and let it sit for a while. we also unscrewed the plate on the back of the IACV and found that the gasket was TOASTED. so we used some RTV and let it sit for the day. it sealed up fine. we put every together and back on. i drove it home and its still idleing the same. Can anyone please help!
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does the check engine light come on?AT WEST COAST MEET
cb7rush: who has the tongs?JDMxDB8: i got a thong on...
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does it have a custom cam bro ? if so that is a good idle problem.
A man that keeps looking back can't see whats in front of him.Comment
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I dont belive it does. i bought the car with a swap already in it. but when i first bought it a few months ago, it idle'd normal. And also i have a exhaust gasket leak that i need to fix but i dont think this has anything to do with the idle.Comment
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exhaust leaks are no good
need to get that fixed man. it all depends how long it has been leaking. a leak can warp you valves. does it cut out when under acceleration ? it could be the idle screw need adjusting.
A man that keeps looking back can't see whats in front of him.Comment
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no it picks up fine , vtec kicks in and all. its a bit loud. but its ONLY when ive ran the car for about 8-12 minutes is when it starts to idle oddly. if i just let it sit for 30 min its fine if i move the throttle at all it will start to do it agian.Originally posted by stretch JDM View Postexhaust leaks are no good need to get that fixed man. it all depends how long it has been leaking. a leak can warp you valves. does it cut out when under acceleration ? it could be the idle screw need adjusting.Comment
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probably a air hose missing?Originally posted by Drifting in 808 View PostAT WEST COAST MEET
cb7rush: who has the tongs?JDMxDB8: i got a thong on...
to get to see more of my cb click the link below.
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Only known hose that is missing is a hose on my CAI that was taped up. but there is a hose that goes from my CAI to my valvecover.Originally posted by iwork4mycb7 View PostComment
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I think that's for your PCV valve. It couldn't hurt to change that. It's like $1Originally posted by Drifting in 808 View PostMRT
37.5 MPG, AC on, cruising at 80.
30.0 MPG, AC on, aggressively driving around 90.
27.5 MPG, no AC, cruising at 90 with occasional gridlock. 40 degrees Fahrenheit
Lots of DIY videos specifically for our car
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Originally posted by Tippey764Originally posted by deevergoteComment
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vacuum leaks? could also be a iacv or fitv not sealing. you may need to change them out since you can only clean them so many times.
ive seen bouncing idle from a high idle. set your base idle.Comment
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Check the FITV first before buying any new parts. this is one of the most common things that go wrong and is easily fixable so long as the part still functions.
1) warm up your car to operating temperatures, and until you are sure the Fast Idle Thermo Valve (FITV) on the Throttle Body is thoroughly warm.
2) remove the TB or FITV, however you want to get to the FITV, and unscrew the screws that hold on the gold cap on the FITV
3) use two flathead screwdrivers and turn the wax ring in the FITV down (righty tighty) and immediately stop when the wax ring ceases to go further. If you want to be safe, back it out slightly after its been tightened just in case.
4) close up the FITV and reinstall.
Tightening the wax ring helps to create an airtight seal, which the FITV is supposed to have when your engine is fully warm. the FITV allows air in during the beginning warm-up and then the wax ring expands due to heat and seals it shut (or so i've been told). This is the reason why you tighten it when its hot and not when it's cold, because the part may fail if its overtight.
Some Symptoms:
The FITV leaking generally causes a hunting idle and high idle, 1100+ usually. Sometimes your idle does settle after a while, but pressing the throttle pedal down will bring back the hunting idle. The hunting idle typically occurs when your car is in park or neutral. in reverse or in gear, the idles are just high.
good luck!blackROSE Member, with a focus on VIP Style
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Hmm thanks, i will try this tomorrow. because what your saying sounds exactly like whats happening. if i warm my car up and dont press on the gas the idle is fine. once i touch the throttle, it starts to do it agian and keeps on doing it till i shut it off. And just in case if i do have to replace my IACV wheres the cheapest place i can get one. i know napa sells it for 313$ and i dont got that kind of money. lolComment
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If you are in need of a new IACV, you can hit one up at the junkyard, they're about 30+? most definitely under $50, and closer to around $40.
blackROSE Member, with a focus on VIP Style
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it really sounds like your fast idle control valve, theres 2 screw on top of ,moved the plate to the right and turn the idle down with a flat head to the right u wont get that high or up and down effect, trust me been there done that, and u dont have to spend any moneyComment
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