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Old 09-06-2013, 11:20 PM   #1
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Default IAC valve wants to be a goose?

first start turbo miata IAC noise - YouTube

finally started my car after a few months of pulling engine, reinstalling, getting turbo junk on etc but I didn't disassemble anything on the engine itself. IAC valve is making a sort of honking noise almost as the rpms seek to stabilize. I haven't tuned the MS which explains the hunting I am sure but I cant figure out why the IAC is making that noise. I tried seafoam in case it was just stuck and it stopped the noise for about 3 seconds then it came back. This is open to atmosphere if that matters but that is how I did my previous turbo miata and never had any issues.

Any ideas?
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Old 09-07-2013, 12:24 AM   #2
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what is the frequency you have it set at
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