HICould a PCV valve that is not working properly set off a CEL?

2001 HYUNDAI ELANTRA
197,000 MILES
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seems car is running to rich
Jan 2, 2012 at 1:39 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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