267402M000 Hyundai / KIA VALVE-PCV, Price: 32.61$, Weight: 0.014kg

Crankcase Ventilation Valve (PCV) for Hyundai & Kia engines

This small valve is a big deal for engine health. It is needed to control crankcase fumes and route blow-by gases back to the intake, so the engine burns them instead of building pressure. That helps keep oil cleaner, seals protected, and idle stable.

How it works ️

Inside is a spring-loaded check mechanism that meters airflow depending on vacuum. At idle/high vacuum it restricts flow to prevent a lean condition. Under load/low vacuum it opens more to vent the crankcase. It also helps stop backflow that could push oil vapor the wrong way.

If it fails or sticks ⚠️

A stuck-open valve can cause rough idle, misfires, whistling air leaks, and higher oil consumption. A stuck-closed valve can trap pressure, leading to oil leaks, pushed seals, sludge, and smoke from the exhaust. Replacing a weak PCV is a cheap fix that prevents expensive gasket and turbo/intake contamination issues.

Why technicians replace it

• Restores proper crankcase pressure control
• Reduces oil vapor in the intake and throttle body
• Helps maintain fuel trim and smooth acceleration

Compatibility ✅

• Elantra
• Creta
• Creta/Cantus
• i30
• Tucson
• i20
• Verna
• Kona
• Avante
• Sonata
• Sonata Hybrid
• Venue
• Kauai
• Accent
• i20 N
• i10
• i20/Bayon