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Author
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Topic: Having weird issues again. Iac/ect problems what do you think?
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JohnB
Tech Moderator
Member # 969
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posted
 
 
Have you cleaned the MAF? Your symptoms are typical of a dirty/failing MAF.
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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BruhBrahBrad
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Member # 9497
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posted
I cleaned it not too long ago, but the problem seems to have gotten worse since I tried cleaning the IAC.
Posts: 1241 | Registered: Sep 2009
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SLOWSN95
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Member # 8269
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posted
Check the signal voltages on the MAF and IAC. If you need help LMK.
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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BruhBrahBrad
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Member # 9497
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posted
im pretty sure the IAC is like completely dead now.Car has power, just it wont idle below 2000 now.
Posts: 1241 | Registered: Sep 2009
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BruhBrahBrad
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Member # 9497
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posted
Last night I was driving it, cuz I have too, and out of frustration I punched the car and the car took off Like it should, but the Idle is hangin and staying at 2000 after that. It used to go down to 1500.
I've tried unplugging it while its running, to see if theres a difference, and also while the a/c is going no difference.. it just wont do shit right.
Posts: 1241 | Registered: Sep 2009
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BruhBrahBrad
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Member # 9497
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posted
quote:
Originally posted by SLOWSN95:
Check the signal voltages on the MAF and IAC. If you need help LMK.
How do I do that?
Posts: 1241 | Registered: Sep 2009
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SLOWSN95
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Member # 8269
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posted
Get the signal voltage specs for the MAF and IAC. You're going to need a DVOM (volt meter) and you're going to need to know which wire is the signal wire. Basically you just check the voltages by pinpointing the wires and comparing the readings to where the specs say they should be.
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94' GT
347 Stroker
MM Suspended
2003 SB SVT Lightning
Pullied and Lowered
89'Hatch-SOLD
Posts: 2214 | From: 510/east bay | Registered: Mar 2008
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FasterTHANyou
aka CoKeWhItE707
Member # 10763
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posted
Buy a new iac*mine did that but i got water in my motor freackin fender mount cold air intake so i sprayed brake clean in it and maf cleaner then let it run for awhile it event smoothed out but ur shit sounds diff prob need a iac if u unplugged it and it doesnt change anything sounds like thats ur prob
[ May 09, 2011, 03:17 PM: Message edited by: 93stormtrooperGT ]
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Posts: 746 | From: Vallejo ca | Registered: Mar 2011
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BruhBrahBrad
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Member # 9497
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posted
quote:
Originally posted by 93stormtrooperGT:
Buy a new iac*mine did that but i got water in my motor freackin fender mount cold air intake so i sprayed brake clean in it and maf cleaner then let it run for awhile it event smoothed out but ur shit sounds diff prob need a iac if u unplugged it and it doesnt change anything sounds like thats ur prob
yeah Im kinda in agreeance just because this has happened to me with the original IAC that was in the car, I was broke so i replaced it with another used one, and it seems like its just failed also.
Posts: 1241 | Registered: Sep 2009
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BruhBrahBrad
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Member # 9497
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posted
IAC fixed it, put a brand new one in....im still dealing with the rpms goin up between shifts, I hate that shit is there any thing that can be done about that?
Posts: 1241 | Registered: Sep 2009
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cachorro5.0
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Member # 10643
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posted
OK so I did the same thing I cleaned my iac n of course I unplugged it but I didnt disconnect my baterry to reset it so my rpms were staying like at 1500, once I reset it went to to a nice idle try that if u hvnt already.
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She will soon be what I always wanted.
Posts: 162 | From: La barca jalisco | Registered: Feb 2011
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Egocentric
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Member # 9529
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posted
quote:
Originally posted by Mach 5oh:
IAC fixed it, put a brand new one in....im still dealing with the rpms goin up between shifts, I hate that shit is there any thing that can be done about that?
RPM's hang on some new IAC's you need a restricter plate or make one. Did to my V6 i've heard of mustangs having this problem from nearly every year
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08 G37S
72 C10 Custom
R6
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ain't no one tell me what to do. - NEIGHT
Posts: 1712 | From: NoOneTellMeWhatToDo-Neight | Registered: Oct 2009
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