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Old 06-02-2020, 11:32 PM   #3
LockDoc
The Older Generation

 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,329
Re: Question on spark plug resistor and also rust on chrome

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That looks like the positive crankcase ventilation valve (PCV Valve) to me.

I have cleaned light rust off of chrome by rubbing lightly with 0000 steel wool. Some of that looks pretty heavy though.

LockDoc
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