High idle till i come to a stop?
High idle till i come to a stop? Well i deleted my AIR system, put on pacesetter longtubes, TSP ORY and a dump, haven't touched the tune at all. My car seems to be idling higher than usual and it stays reved up at about 1k RPMs till i get to a complete stop it drops back down to 800 RPMs.
Any guesses? I read a thread about it being a tuning issue?
Only thing i plugged off was a hose for the AIR system (since i deleted it) with a thick screw. I noticed a hissing sound after i turned the car off.
Any guesses? I read a thread about it being a tuning issue?
Only thing i plugged off was a hose for the AIR system (since i deleted it) with a thick screw. I noticed a hissing sound after i turned the car off.
On The Tree
Joined: Jan 2012
Posts: 182
Likes: 0
From: Boston
did you pull the fuse and the relay(s)? I did this when I deleted my AIR and EGR, 2000 camaro.
I'm yet to tune mine because I'm not really driving it and awaiting to put in my cam, but I dont have this issue...
That hissing is quite possibly the air pump still running. Its used to inject air into the exhaust to bring the catalysts to operating temperature. Does the problem persist after the car is warmed up?
I'm yet to tune mine because I'm not really driving it and awaiting to put in my cam, but I dont have this issue...
That hissing is quite possibly the air pump still running. Its used to inject air into the exhaust to bring the catalysts to operating temperature. Does the problem persist after the car is warmed up?
did you pull the fuse and the relay(s)? I did this when I deleted my AIR and EGR, 2000 camaro.
I'm yet to tune mine because I'm not really driving it and awaiting to put in my cam, but I dont have this issue...
That hissing is quite possibly the air pump still running. Its used to inject air into the exhaust to bring the catalysts to operating temperature. Does the problem persist after the car is warmed up?
I'm yet to tune mine because I'm not really driving it and awaiting to put in my cam, but I dont have this issue...
That hissing is quite possibly the air pump still running. Its used to inject air into the exhaust to bring the catalysts to operating temperature. Does the problem persist after the car is warmed up?
No i haven't i just removed the air system all together without touching anything. Would removing the fuses do anything?
No more pump, EVERYTHING from the air system is removed except that little hose that goes to the rear of intake manifold. Which i plugged off with a thick screw, i guess ill go get some gasket maker or something to rub on the screw to be sure its not that.
ok I also have this problem and the only thing I have done with my car is a ORY with no tune. Plus my car is throwing a code for the AIR. It stays around 1k if I have it in neutral but when I come to a stop it goes down to like 700
Well if you eliminate it possibly being a vacuum leak your next best bet would be the "throttle cracker" in the tune. I had this issue for a long time and took me a long time to finally get it figured out. Mine was set too high and would keep the rpms a little high til I came to a complete stop.
I remember mine doing the high idle thing a year or so ago and I replaced my 02 sensors and I can't remember if that fixed it or not because I had broke my IACV and replaced it around the same time. Mine is doing it again, but it does it intermittently. I am thinking I need 02 sensors again because my car seems to be sluggish, but will run good at WOT. Plus my 02 sensors are extended.
I would try cleaning the IACV?
The 02 sensors could prolly mess with idle as well.
Do any of you guys have Ported n Polished throttle bodies?
I have a Frost mail order tune and the car had done it before the tune and now after.
sorry I couldn't help more, but from my research its not a rare problem
I would try cleaning the IACV?
The 02 sensors could prolly mess with idle as well.
Do any of you guys have Ported n Polished throttle bodies?
I have a Frost mail order tune and the car had done it before the tune and now after.
sorry I couldn't help more, but from my research its not a rare problem
Well if you eliminate it possibly being a vacuum leak your next best bet would be the "throttle cracker" in the tune. I had this issue for a long time and took me a long time to finally get it figured out. Mine was set too high and would keep the rpms a little high til I came to a complete stop.
I remember mine doing the high idle thing a year or so ago and I replaced my 02 sensors and I can't remember if that fixed it or not because I had broke my IACV and replaced it around the same time. Mine is doing it again, but it does it intermittently. I am thinking I need 02 sensors again because my car seems to be sluggish, but will run good at WOT. Plus my 02 sensors are extended.
I would try cleaning the IACV?
The 02 sensors could prolly mess with idle as well.
Do any of you guys have Ported n Polished throttle bodies?
I have a Frost mail order tune and the car had done it before the tune and now after.
sorry I couldn't help more, but from my research its not a rare problem
I would try cleaning the IACV?
The 02 sensors could prolly mess with idle as well.
Do any of you guys have Ported n Polished throttle bodies?
I have a Frost mail order tune and the car had done it before the tune and now after.
sorry I couldn't help more, but from my research its not a rare problem
Stock TB but it does seem to have the same characteristics as my buddy's civic that had a billet aluminum TB it would get stuck and he would blip the throttle and it would go down.
I just noticed as i was driving around 55 mph in 6th gear ill let go of the gas and it will continue to stay at that MPH as if cruise control was activated for example. I'll blip the throttle with the clutch in and let the clutch out and it will act normal and decelerate without my foot on the gas like it should. Sound like a sticky TB? Any input? Thanks again guys for chiming in!
Edit: I just remembered that the car doesn't idle high when its completely cold anymore it'll idle at 900ish instead of 1200 like it used to.
Last edited by adamantium; Aug 1, 2012 at 01:43 AM.
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I just swapped hedders and exhaust, replaced 02 sensors, deleted AIR/EGR and have had it tuned. Still an issue. I asked my tuner about it and he said that its probably the Idle speed still set at factory. he turned all the AIR/EGR stuff off when he dyno tuned it after the cam swap. hes planning on lowering it as soon as i get the car back to him. Ill let you guys know if that fixes it.
my car. 2000 WS6 Hooker Lt's,TSP Duals dumped, LPE Cam, Volant CAI
my car. 2000 WS6 Hooker Lt's,TSP Duals dumped, LPE Cam, Volant CAI
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Verdad Gallardo I just swapped hedders and exhaust, replaced 02 sensors, deleted AIR/EGR and have had it tuned. Still an issue. I asked my tuner about it and he said that its probably the Idle speed still set at factory. he turned all the AIR/EGR stuff off when he dyno tuned it after the cam swap. hes planning on lowering it as soon as i get the car back to him. Ill let you guys know if that fixes it.
my car. 2000 WS6 Hooker Lt's,TSP Duals dumped, LPE Cam, Volant CAI
my car. 2000 WS6 Hooker Lt's,TSP Duals dumped, LPE Cam, Volant CAI
my old T/A had a hole in the pcv hose by the intake(the little elbow one) and i never had an idle issues. i dunno we'll find out. car goes in tonight and he is gonna do a cold test and hot test and figure it out. i should know by tomorrow afternoon.
Sounds good man its been raining all day today so i haven't been able to touch the car. Im in miami btw, hows the weather up there in tally?
Sounds like throttle body blade is sticking or there's tension on the throttle cable. If its a cruise/ tcs car there's a box looking thing on the cable loosen the clip and it should release tension on the cable. Either that or try cleaning the throttle body
There's un-throttled air somewhere, either blade or vacuum
leak. The throttle cracker excess air when rolling is enough
to raise the idle objectionably. Check the PCV valve "boot"
and that you plugged the AIR vacuum source, not some other
branch.
leak. The throttle cracker excess air when rolling is enough
to raise the idle objectionably. Check the PCV valve "boot"
and that you plugged the AIR vacuum source, not some other
branch.
I made sure the AIR vacuum source was plugged off i added epoxy and screwed the bolt in more, im going to look at the boot tommorow hopefully it doesn't rain ill check back. Thanks man.
finally stoped raining for a sec, went out check all the ruber boots on the PCV system cannot find one tear from whats visible, checked the rubber boot by the TB, and both valve covers everything looks perfect... Can it be a dirty IAC sensor? gonna go check the TB right now.
TB looks clean as hell, looked inside the IM everything looks very clean too.
Heres a pic.
So im guessing i should spray something on the rubber boots to see if it would act funny while idling?
Heres a pic.
So im guessing i should spray something on the rubber boots to see if it would act funny while idling?
Drove it yesterday too, when i let go of the gas and DONT press the brakes it seems to drop idle and go below 800 to like 400-500 then when i hit the brakes the idle shoots back up to 1k ish, its weird because it doesn't idle at 1200 when its cold and i haven't driven it for hours. Can anyone tell me why this is happening? this is all thats holding me back from getting tuned.
On The Tree
Joined: Jul 2012
Posts: 121
Likes: 0
From: DFW, TX
Not to throw too many questions into your question, but are you running an ac condensor or fans when this is happening? Secondly, I had a previous issue where I had a car that would run idle very high, then as time passed it started rubber banding (boucing up and down while idling). It was from slightly bad timing and the ECU was not reading the Crankshaft sensor correctly, making it compensate and pull too much fuel... then retarding off timing (thus the bouncing). It was not a Camaro that had these issues though.