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Check engine Code 12 and CAI humming noise (Video)

 
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Old 05-17-2013, 10:46 PM
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Check engine Code 12 and CAI humming noise (Video)

Ever since I installed my new CAI I've been getting a check engine code 12 and a really loud humming noise. I've ran out of ideas....

Plz look at the video it explains my problem

Any help is appreciated!!!!!!

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Old 05-18-2013, 01:17 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

see if that hose runs to the egr line perhaps.
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Old 05-18-2013, 02:07 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

All hoses are connected where they need to be except that one little black one that i show in the beginning of the video. I have checked everything and nothing seems to work
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Old 05-18-2013, 05:21 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

bump
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Old 05-19-2013, 02:38 AM
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Re: Check engine Code 12 and CAI humming noise (Video)

go back to stock
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Old 05-19-2013, 03:54 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

I bought the car with a katana CAI (some bootleg brand) that was way to big and would hit with the strut bar. It had holes the size of quarters where it would hit the old strut bar. I don't wanna buy the OEM air intake... and have this one sitting in the garage gaining dust :/
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Old 05-19-2013, 05:44 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

It's odd the intake doesn't have a place for that little hose. When I bought my type s intake t was missing the upper elbow so I tried it without that hose running into the intake and just hooked to a vacuum source of the mani. It ran like crap so I drilled a hole into the intake pipe just big enough the squeeze that hose in it and no issues.
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Old 05-19-2013, 06:00 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

I had previously thought about cutting out the old pin thingy of the old one and drilling a hole and soldering it into the new one, but i don't wanna ruin it with my terrible soldering skillz
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Old 05-19-2013, 06:10 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Yeah man if you just drill a hole barely smaller than the diameter of the hose and just stick in in there.
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Old 05-19-2013, 06:21 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Yea, that's probably what I'm going to end up doing, but ill just wait a day or 2 to see if anyone has a different idea.
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Old 05-19-2013, 06:49 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Well either way man that hose shouldn't be left open it will be sucking in debris.
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Old 05-19-2013, 07:37 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

You know what, you're right brb im going to go do it right now
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Old 05-19-2013, 08:16 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Is your car running properly? Vtec engaging proper and wht not? Because that hose controls the secondary butterfly's in your intake manifold I believe. when mine wasn't going into the intake before the the throttle body the car was gutless. And vtec was practically unexistant.
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Old 05-19-2013, 09:45 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Vtec engages and you can hear it aswell, but guess what? ??? Turns out the hose leading to the egr valve (behind the valve cover) had a crack on its backside (probably cracked when I yanked it trying to remove the old CAI. I removed it and put a spare and no more CEL
Still got the upper hose unplugged though. I'll drill a hole tomorrow I'm too lazy atm
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Old 05-19-2013, 09:59 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Fuel pressure regulator
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Old 05-20-2013, 12:20 PM
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Re: Check engine Code 12 and CAI humming noise (Video)

Seems important, I'll drill the hole today and hook it up. Hopefully my lude will be back to the way it's supposed to be .
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