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No steal. Idle issues?

1K views 19 replies 6 participants last post by  keeney35 
#1 ·
Picked up an 02 GT with this issue previous owner replaced everything up there ( maf, IAC, tps). Just pulled off the IAC. Looks like a store brand(iac) n just the gasket. Do I need a motorcraft part or just to seal it?

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#8 ·
The first thing that you should do to diagnose the idle problem, is to scan the computer for possible trouble codes, along with performing a charging system test to make sure that it is charging properly.
It could be that your IAC is not functioning correctly, it wouldn't be the first time that a "cheapo" IAC didn't work correctly. It might save you some money by doing some simple diagnostics before you start throwing parts at it.
 
#13 ·
If you unplug the IAC it should die.

Get a motor craft IAC and put it on, unhook the battery cables both positive and negative and hold the 2 cables together for about 1 minute. Then hook them back up.

It's called a global reset it will clear any codes that the car has even if they are "history" codes


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#20 ·
For future reference if it ever acts up again.

Pull the IAC off and get some MAF sensor cleaner and you can clean it with some q-tips to get rid of the gunk that's in there, that will get you buy and improve it until you can replace the part.


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