How can you test for IAC failure ? - Forums at Modded Mustangs
 
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post #1 of 9 Old April 3rd, 2007, 10:43 AM Thread Starter
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How can you test for IAC failure ?

It seems to be a new IAC valve for the 2.3 is about $100. I will buy it if I have to but I want to be sure its failed and not just dirty.


Is there a way I can test this ? Either way Im going to at least remove it and clean it out and give it another go before I open up the wallet for a purchase.

Please Advise

Thanks ,

1990 5.0 LX - Manual (for play)
1991 2.3L LX - Auto (for street)
1989 2.3Turbo - In the Works
1988 Thunderbird Turbo Coupe 2.3Turbo - (K&N , Gillis Boost Valve, Auto to T5 SWAP )



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post #2 of 9 Old April 3rd, 2007, 11:40 AM
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well how does the car act?

1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.
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post #3 of 9 Old April 3rd, 2007, 04:31 PM Thread Starter
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its fine mostly during normal driving but when I let it idle like at a stop light it sputters and shuts off.


It does this in park as well. I filled up the tank w premium and ran it for a bit to see if it was some messed up gas but no go its still acting up. As long as I give it gas it's fine but when I come off it the car wont stay up.

it does this when the RPM's drop under 1k. but if I keep it over all is well

1990 5.0 LX - Manual (for play)
1991 2.3L LX - Auto (for street)
1989 2.3Turbo - In the Works
1988 Thunderbird Turbo Coupe 2.3Turbo - (K&N , Gillis Boost Valve, Auto to T5 SWAP )



Yeah I'm a mustang Newbie - wanna fight about it ?
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post #4 of 9 Old April 4th, 2007, 01:24 PM
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yep thats it then, you can find a cheaper IAC from ebay or a donor, there all pretty much universal, the 5.0 ones should fit to

1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.
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post #5 of 9 Old April 6th, 2007, 10:58 AM
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try cleaning it out first with some carb cleaner also I would try cleaning and re setting the TPS also.
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post #6 of 9 Old April 8th, 2007, 07:26 PM Thread Starter
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Thanks

I cleaned it out and put i tback on and the issue was still the same so I was lucky enough to find another IAC for "FREE" and the car runs like a champ.

my tranny was acting up and rear was making noise so I got all that replaced as well.

Total cost of everything $250.00 - I love Georgia Salvage Yards

1990 5.0 LX - Manual (for play)
1991 2.3L LX - Auto (for street)
1989 2.3Turbo - In the Works
1988 Thunderbird Turbo Coupe 2.3Turbo - (K&N , Gillis Boost Valve, Auto to T5 SWAP )



Yeah I'm a mustang Newbie - wanna fight about it ?
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post #7 of 9 Old April 9th, 2007, 09:28 AM
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haha if it isnt a junkyard its ebay

1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.
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post #8 of 9 Old April 9th, 2007, 10:26 PM
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Quote:
Originally Posted by TurboLX
haha if it isnt a junkyard its ebay
I prefer top call them "recycle facilities"
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post #9 of 9 Old April 10th, 2007, 12:58 PM
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lol

1988 LX Coupe 2.5L, GT35R, 44mm WG, 32psi, C16.
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