Could a bad PCV valve cause you to fail an emissions test?
10-08-2004, 05:00 AM
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Could a bad PCV valve cause you to fail an emissions test?
My car failed the emissions test and I noticed my PCV valve wasn't working so I replaced it and now it works. Would this have any effect on passing the test?
10-08-2004, 08:00 AM
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Re: Could a bad PCV valve cause you to fail an emissions test? (AndyD)
my pcv was bad and i didn't notice any bogging issues, seemed to run the same with and without it, i guess for $3 and 30 seconds you can't go wrong replacing it 
10-08-2004, 08:34 AM
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Re: Could a bad PCV valve cause you to fail an emissions test? (prelude9999)
Yes, it can. If your running your car cap the vacum pull the valve and put a breather in. It will remove all those less explosive oil fumes from your intake. Every little bit helps when your trying squish your friends WRX.
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