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Old 10-14-2013, 11:57 PM   #1
Artem
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Join Date: Jan 2010
Location: San Francisco, CA
Posts: 425
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Default DASC Smog Failure, what does PCV do?

Hey guys,

Failed smog today, prematurely before the inspection deadline to get it fixed by then. HC/CO were totally fine, so I am suspecting a good cat/O2. My intake system is all sorts of screwed though.

As a result, I want to sort out all/any possible air leaks going on in the engine, and I will machine an ICV/TB combination for that.

However, for the final leak detection - What does the crank case valve do? I want to replace it as I do not like the stock DASC method of sealing it, and I want to know its specification to find a suitable replacement for it possibly one with built-in nipples for easy attachment of hoses.


Cheers,
Artem


PS - did any one of you ever have a misfire issue with the COP conversion? Mine throws a code on 4th cylinder and I am wondering what it can be or whether I should just throw a different coil in there? I got plenty of spares.
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