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Little help please

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Old 01-04-2012, 12:43 PM   #1
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Little help please

Installed a cold air intake on my 02 2.7. There's a vacuum hose that went into the airbox across the radiator shroud into a little piece on the driver fender. I just unhooked it from airbox and left hose open and dangling by windshield washer jug. Now I'm getting a check engine light. What does it do and how can I fix?
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Old 01-04-2012, 12:46 PM   #2
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You need to find a way to hook that hose back up to the vacuum system close to where it originally was.

What intake was it? Model?
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Old 01-04-2012, 01:06 PM   #3
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Just a homemade one pieced together. Basically a adapter that fits into end of MAF and a cone filter.
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Old 01-05-2012, 10:16 PM   #4
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So no one knows what that hose does?
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Old 01-06-2012, 05:49 AM   #5
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Yes, it supplies vacuum. I'd suggest going back to stock until you get the right CAI or fix the existing one
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Old 01-06-2012, 06:21 PM   #6
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Quote:
Originally Posted by Taco02 View Post
So no one knows what that hose does?
it is the purge for the vapor vent system
it shouldnt throw a code

you should buy a simple code reader to find out what the code is. Autozone $60 , also allows you to clear the code

my bet would be that there is a code for the MAF

I would just cut my losses and hook it back up to stock intake , there is no advantage to derestricting the stock air filter
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