Engine Ventilation Hose: Essential Role in Your Nissan

Why This Hose Matters

This engine ventilation hose is crucial for your vehicle’s emission system. It transports blow-by gases from the crankcase to the intake manifold for recirculation, keeping your engine clean and efficient. Without this hose, harmful gases would stay in the engine, causing sludge build-up and reduced performance.

How It Works

This flexible rubber hose connects between the engine’s crankcase and intake system. While your engine runs, it allows gases leaking past the piston rings to flow back into the combustion process, ensuring cleaner operation and better fuel efficiency.

What Happens If It Fails

• Engine runs rough or stalls
• Oil leaks and increased oil consumption
• Check engine light ⚠️ turns on
• Poor fuel economy
• Emission test failure

Compatible Models

• M35/45
• G35
• Fx35/45