| | IAC Mystery ! |  |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: IAC Mystery ! Fri Jul 08, 2011 8:17 am | |
| About a month ago my throttle would stick and race pushing me into warp 9. I replaced the IAC sensor, TPS sensor and cleaned the throttle body making sure not to mess with the MAF sensor. I know how delicate those things are! Over the past three weeks, sometimes when I start it the idle stays around 300 and starts bogging. Not always but she has popped a code a few times saying low idle IAC. I reset the code and it runs fine for a week or so. ANY IDEAS! This is driving me mad! '  ' | |
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AA
Administrator
Name : Aaron
Age : 46
Location : C-bus, Ohio
Joined : 2007-01-13
Post Count : 18448
Merit : 252
| | Subject: Re: IAC Mystery ! Fri Jul 08, 2011 9:52 am | |
| Hi Samuel. What year is your car, and which engine? _________________ '05 GTO 6.0L • 6-spd • 95k miles • 0-60: 4.8s • 16.9 avg MPG • Nelson Ledges Lap: 1:26'95 Celica GT 2.2L • 5-spd • 165k miles • 0-60: yes'98 SC Riviera • 281k miles • 298 HP/370 TQ • 0-60: 5.79s • ET: 13.97 @ 99.28 • 4087 lb • 20.1 avg MPG • Nelson Ledges Lap: 1:30
3.4" pulley • AL104 plugs • 180º t-stat • FWI w/K&N • 1.9:1 rockers • OR pushrods • LS6 valve springs • SLP headers • ZZP fuel rails
KYB GR2 struts • MaxAir shocks • Addco sway bars • UMI bushings • GM STB • Enkei 18" EV5s w/ Dunlop DZ101s • F-body calipers
EBC bluestuff/Hawk HP plus • SS lines • Brembo slotted discs • DHP tuned • Aeroforce • Hidden Hitch^^^ SOLD ^^^  '70 Ninety-Eight Holiday Coupe 455cid • 116k miles^^^ SOLD ^^^ | |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Fri Jul 08, 2011 11:14 am | |
| 1998 with Series 2. I gutted the airbox thats about it for mods. | |
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1998 Riv
Expert
Name : Dave
Age : 63
Location : In The AZ Oven
Joined : 2007-01-17
Post Count : 4502
Merit : 44
| | Subject: Re: IAC Mystery ! Fri Jul 08, 2011 4:14 pm | |
| You can clean the MAF sensor carefully with spray electronics cleaner. Many of us have done this with no issues. Just have to be careful handling it. I wouldn't overlook this. | |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Fri Jul 08, 2011 6:54 pm | |
| Thanks! I will try it when I get back home. | |
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albertj
Master
Name :
Location : Finger Lakes of New York State
Joined : 2007-05-31
Post Count : 8598
Merit : 180
| | Subject: Re: IAC Mystery ! Fri Jul 08, 2011 11:03 pm | |
| - rivparadise wrote:
- About a month ago my throttle would stick and race pushing me into warp 9. I replaced the IAC sensor, TPS sensor and cleaned the throttle body making sure not to mess with the MAF sensor. I know how delicate those things are! Over the past three weeks, sometimes when I start it the idle stays around 300 and starts bogging. Not always but she has popped a code a few times saying low idle IAC. I reset the code and it runs fine for a week or so. ANY IDEAS! This is driving me mad! ''
When you cleaned the TB did you remove it or did you jsut spray cleaner into it? This is important please advise. Oh yeah and do you still have the TB screen? | |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Sat Jul 09, 2011 1:10 am | |
| Removed to clean. I didn't do it but was right there when my mechanic did it. I didn't see a screen! | |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Sat Jul 09, 2011 9:15 pm | |
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albertj
Master
Name :
Location : Finger Lakes of New York State
Joined : 2007-05-31
Post Count : 8598
Merit : 180
| | Subject: Re: IAC Mystery ! Sun Jul 10, 2011 9:27 pm | |
| OK.
Do you think you should check that the mechanic properly re-installed the throttle cables on the linkage at the TB?
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Mon Jul 11, 2011 10:43 am | |
| I will for sure check that! Thanks guys for all your help! | |
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rivparadise
Fanatic
Name : Samuel
Age : 51
Location : Niagara Co.
Joined : 2007-06-10
Post Count : 381
Merit : 11
| | Subject: Re: IAC Mystery ! Sat Sep 10, 2011 7:55 am | |
| Havent been logged on in a while! Since this post I have figured out all the issues! Replaced fuel filter and that little bitty o-ring on the fuel line was cracked and half there! This was probably letting air in now and again. No problems anymore. | |
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