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emissions failure

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Old Dec 2, 2014 | 03:01 PM
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nickkaa1's Avatar
nickkaa1
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Joined: Apr 2012
Posts: 8
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Car: 1990 iroc-z
Engine: 5.7 tpi
Transmission: 700r4
Axle/Gears: 3.23
emissions failure
everything passed with flying colors except my "air system" 4503
any ideas guys?
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Old Dec 3, 2014 | 08:31 PM
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8Mike9's Avatar
8Mike9
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Joined: Jul 1999
Posts: 5,183
Likes: 42
From: Oakdale, Ca
Car: 89 IrocZ
Engine: L98-ish
Transmission: 700R4
Re: emissions failure
Assume a visual fail?
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