MegaSquirt Idle - - Throttle body inlet hose - Miata Turbo Forum - Boost cars, acquire cats.

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Old 12-06-2014, 11:41 PM   #1
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Default MegaSquirt Idle - - Throttle body inlet hose

Can I remove this hose, and plug the throttle body inlet or put a filter on there?

I would like to use an intake set up that does not have accommodations for that hose.
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Old 12-07-2014, 12:27 AM   #2
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No pic/diagram... did you mean to post one?
If you're talking about the 1/4" or so hose that runs up to the 6 o'clock position in front of the throttle body, I'm pretty sure it's needed for the IAC.

I ended up putting an adapter in my elbow there to keep it.
You should be able to do the same.

Check out Alec Moody's website for details?
3D printed intake
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Old 12-07-2014, 10:02 AM   #3
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Think it's more like 1/2", but yeah it's for the IAC, it won't idle without it. You can leave it with a filter, I've done that before with good results.
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Old 12-07-2014, 10:50 AM   #4
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plugging the inlet to your idle valve sounds smart.
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Old 12-07-2014, 12:11 PM   #5
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As anyone noticed better idle with the filter vs plumbing IACV to the intercooler cold side. I'd imagine it wouldn't matter.
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Old 12-07-2014, 02:27 PM   #6
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The only difference with putting a filter on is that it will become a slight boost leak. Doesn't matter at all for a normally aspirated car.
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Old 12-08-2014, 11:32 AM   #7
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You could install a one-way check valve to prevent boost loss in the hose.
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Old 12-12-2014, 03:52 PM   #8
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I had this same problem im boosted so i would lose boost and consequently spool the pipe is actually 3/4 inch i bought a 3/4 inch slip on aluminum bung and used alumaweld (harbor frieght) to braze it on to the cold side intercooler piping with a map gas torch works great idle is very stable spool improved
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