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#1 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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Redlight Idle issue.....wtf!!! Ok, here it is, When I stop at a light or anywhere for that matter, once in awhile the car flutters then dies.......me being an auto tech I look for codes to no avail , I have checked for a vacuum issue and found none, is this an issue that the 99-04 has? The car has an SCT tuner and when checking it out I turned on the EGR and O2 sensors, plus kicked the idle up from 520 to 710, but, it shows no codes and then, the problem showed up again. A little background for ya, Im a Carb guy, this is the newest pony ive owned, I am in that gray area of transition between 1970 and 1999 so any help would be epic. Let me know what ya think, and help me with a remedy, Thanks.
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#2 |
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I like boobs!!!
2000 GT convertible
dunno
Join Date: May 2011
Location: Brooklet, GA
Posts: 2,827
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First guess would be IAC going bad
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#3 |
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Hardcore Enthusiast
2002 mustang gt
Join Date: Jan 2010
Posts: 1,896
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Or even your maf
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Rock stock
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#4 |
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Enthusiast
2003 Mach 1
Join Date: Apr 2011
Location: NC
Posts: 726
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^^ both, clean both first. Bet it will clear it up.
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2003 Azure Blue Mach 1 - KB, Suspension, Bolt-ons. 497hp, 460tq. |
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#5 |
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Hardcore Enthusiast
2002 mustang gt
Join Date: Jan 2010
Posts: 1,896
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Rock stock
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#6 |
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MM Fanatic
2004 Mustang GT
12.85 @ 114
Join Date: Apr 2010
Location: Charlotte
Posts: 3,224
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there really needs to be a stick on this forum that says "99-04 idle issues? CHECK YOUR IAC FIRST" haha
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#7 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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Thanks for the input to those of you who arent assholes. To those that the asshole attitude applies to, I hope being douches helps you to be better people.lol I thought about it being an IAC issue already, but was hoping that some input would lead me to an easier fix. I thought it might throw a code if it were a sensor issue. Didnt want to throw parts at the problem, like I said the 99-04 is new to me, If it were a 67-68 or a 69-70 or a 71-73 or a 347 ....the list goes on......that ive owned then I would have no trouble with it, but its not, so I was just asking people that might know. Anyway, thanks to those who arent pricks.
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#8 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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Ill give that a shot before buying a new IAC or MAF, thanks man.
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#9 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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__________________
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#10 |
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I like boobs!!!
2000 GT convertible
dunno
Join Date: May 2011
Location: Brooklet, GA
Posts: 2,827
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There is a special cleaner for your MAF. Don't just use any cleaner, you'll ruin it. Get the right stuff from a parts store.
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#11 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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I have been leaning towards the IAC, but was wondering if it would produce a code. Since they arent an arm and a leg to buy , that will probably be what I change. I appreciate your help. Nice topless pony by the way.
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#12 |
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MM Fanatic
2004 Mustang GT
12.85 @ 114
Join Date: Apr 2010
Location: Charlotte
Posts: 3,224
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so who exactly are you calling a prick here?
What more of an easier fix do you want then its the IAC? Its two bolts and a hose... but I am going to hope you are not talking to me, because if so lighten up buddy, you are taking the wrong stuff to heart. Nobody on here has disrespected you or acted inappropriate.
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![]() MODS: Vortech V1 T-Trim @ 7.5 PSI (tuned down) Comp Cam Stage 2's + more 432 rwhp / 396 rwtq 02/27/2011 NEW VIDEOS! **It takes ~$60 a rwhp (over stock) for a 99-04 Mustang GT.** Do the Math ![]() C2H5OH on the horizon |
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#13 |
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I like boobs!!!
2000 GT convertible
dunno
Join Date: May 2011
Location: Brooklet, GA
Posts: 2,827
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LOL, he wasn't calling anyone a prick, he said there should be a STICKY on rough idle problems
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#14 |
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MM Fanatic
2004 Mustang GT
12.85 @ 114
Join Date: Apr 2010
Location: Charlotte
Posts: 3,224
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the IAC is the #1 cause of idle issues hands down. Now I could be a dick and say "if you searched the forums that would be the first thing you would find out about idle issues" but I didn't. I said it should be a sticky. That has nothign to do with you.... so get over yourself
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![]() MODS: Vortech V1 T-Trim @ 7.5 PSI (tuned down) Comp Cam Stage 2's + more 432 rwhp / 396 rwtq 02/27/2011 NEW VIDEOS! **It takes ~$60 a rwhp (over stock) for a 99-04 Mustang GT.** Do the Math ![]() C2H5OH on the horizon |
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#15 |
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I like boobs!!!
2000 GT convertible
dunno
Join Date: May 2011
Location: Brooklet, GA
Posts: 2,827
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I hear ya. Some people are too sensitive on this forum. Especially some dink named zigbigadoru. That little bitch cries more than my 5 year old.
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#16 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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Will do, your advice is much appreciated. Cant seafoam this issue.lol
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#17 | |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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__________________
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#18 |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
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Word, I feel ya. Like I said to folks, Im coming from the world of 750 double pumpers and toploader 4 speeds. Last car was an 87 notch with a 347 carb motor. before that was the 69 Grande and 70 Mach, this 4.6 is new stuff to me. Oh and I was wondering, this car of mine has a cold air intake on it, what issues can that cause with the MAF?
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#19 | |
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I like boobs!!!
2000 GT convertible
dunno
Join Date: May 2011
Location: Brooklet, GA
Posts: 2,827
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Most likely no, as long as it was installed correctly
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#20 | |
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Regular
1999 Mustang GT
Join Date: Dec 2011
Location: Galax Va
Posts: 135
![]() iTrader: 0 reviews
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__________________
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