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Old 09-27-2015, 10:35 PM   #1
WeeYari
 
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Drives: 06 5dr LE (deceased), 13 Soul
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Stock Airbox Modification

Without it you will only fail emission test if there is a visual inspection done as part of the test. Tailpipe or OBD emission tests will not fail because it is absent.

Its purpose in life is to prevent fuel vapor from escaping from the engine back out into the environment via the air box.


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Old 09-28-2015, 08:53 PM   #2
SirDigby
 
Drives: 2007 yaris 3 door
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Quote:
Originally Posted by WeeYari View Post
Without it you will only fail emission test if there is a visual inspection done as part of the test. Tailpipe or OBD emission tests will not fail because it is absent.

Its purpose in life is to prevent fuel vapor from escaping from the engine back out into the environment via the air box.
ok. sounds good. is fuel vapor out the intake an issue? I've never heard of that. sounds like a fire issue.

I've never done an emissions test before, but i'm sure it will "fast pass" or whatever. usually I register my vehicle in a county that has too low of population, but this one is in boulder county which is full of hippies....
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