idling problem

02MiNeRaLgRaYGT · October 19th, 2007, 04:45 PM

today i was driving and when i got to a light a couple times the rpms dropped to about 500 and almost stalled. its been idling a little rough at times lately. any ideas on what could be the problem? ive had my fuel injectors cleaned and my air filter changed not too long ago and i run premium gas with a hypertech tuner. thanks for any help.

HessiaN257 · October 19th, 2007, 05:26 PM

Sometimes that happens with the air on or the windshield defogger. Run some sea-foam or something through if you haven't yet, or in a while.

B0B · October 19th, 2007, 05:35 PM

you might want to clean your IAC valve. it could be sticking..

2kGT · October 19th, 2007, 05:51 PM

+1 on IAC. Take a wrench or something and tap on it (dont beat it). if the problem clears up, you need to either clean or replace the IAC.

02MiNeRaLgRaYGT · October 19th, 2007, 06:21 PM

Originally Posted by HessiaN257

Sometimes that happens with the air on or the windshield defogger. Run some sea-foam or something through if you haven't yet, or in a while.

i had on the air and the lights if that would make a difference, it does seem to do it more often with the air on. whats sea-foam? and what do u mean run it through?

dmachine22 · October 19th, 2007, 06:21 PM

Or make sure your TB screw isnt in to far, mine was idling real rough until I adjusted my screw and now it idles around 600-700 just fine!
* ONLY if you have a aftermarket TB and plenum I have 75 *

HessiaN257 · October 19th, 2007, 06:29 PM

Sea-Foam is a carbon cleaner, run it through a vacuum hose, oil, or gas tank. Let it sit for 5 minutes, then start it up. You will notice all white smoke coming from the pipes. Its a great cleaner.

October 19th, 2007, 04:45 PM	#1
02MiNeRaLgRaYGT Regular Join Date: May 2007 Posts: 139 iTrader: 0 reviews	idling problem today i was driving and when i got to a light a couple times the rpms dropped to about 500 and almost stalled. its been idling a little rough at times lately. any ideas on what could be the problem? ive had my fuel injectors cleaned and my air filter changed not too long ago and i run premium gas with a hypertech tuner. thanks for any help.

October 19th, 2007, 05:26 PM	#2
HessiaN257 Enthusiast 2000 Mustang GT 13.9@101 Join Date: Feb 2007 Location: New Jersey Posts: 805 iTrader: 0 reviews	Sometimes that happens with the air on or the windshield defogger. Run some sea-foam or something through if you haven't yet, or in a while. __________________ 13.9@101 before some mods

October 19th, 2007, 05:35 PM	#3
B0B Boost gets you laid 2001 Mustang GT 12.93@113.7 (on the 18's) Join Date: Dec 2006 Location: Milton, WA Posts: 2,609 iTrader: 2 reviews	you might want to clean your IAC valve. it could be sticking.. __________________ '01 GT. Just a couple Bolt-ons. 0rwhp 0rwtq. Epic Turbo build in progress 2003 Rubicon (wheelin rig) 2008 Silverado 4x4 (towin rig/road queen) 2009 KTM 450 XC-W (Brap Brap!)

October 19th, 2007, 05:51 PM	#4
2kGT Enthusiast Join Date: Oct 2007 Location: Upstate SC Posts: 922 iTrader: 0 reviews	+1 on IAC. Take a wrench or something and tap on it (dont beat it). if the problem clears up, you need to either clean or replace the IAC. __________________ Accufab 75mm tb & plenum MRT h-pipe Flowmaster catback FRPP king cobra clutch FRPP aluminum driveshaft FRPP 4.10 gear TA Perfromance girdle Steeda tri-ax shifter Moser 31 spline axles FRPP C Springs

October 19th, 2007, 06:21 PM	#6
dmachine22 Hardcore Enthusiast 1998 Z28 Join Date: Jan 2007 Location: Columbus, Ohio Posts: 1,196 iTrader: 0 reviews	Or make sure your TB screw isnt in to far, mine was idling real rough until I adjusted my screw and now it idles around 600-700 just fine! * ONLY if you have a aftermarket TB and plenum I have 75 * __________________ Unknown

October 19th, 2007, 06:29 PM	#7
HessiaN257 Enthusiast 2000 Mustang GT 13.9@101 Join Date: Feb 2007 Location: New Jersey Posts: 805 iTrader: 0 reviews	Sea-Foam is a carbon cleaner, run it through a vacuum hose, oil, or gas tank. Let it sit for 5 minutes, then start it up. You will notice all white smoke coming from the pipes. Its a great cleaner. __________________ 13.9@101 before some mods

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