EXHAUST GAS RECIRCURATION VALVE

Heavy-Duty EGR Valve for Nissan Diesel and Petrol Workhorses

This precision EGR unit keeps your engine clean and efficient. It routes a measured portion of exhaust back into the intake, lowering combustion temperature and cutting NOx emissions. The result: smoother idle, cleaner burn, longer turbo and DPF life, and better fuel economy—perfect for fleet duty and daily hauling.

Why You Need It ✅

Modern engines depend on stable EGR flow for emissions and driveability. A healthy valve protects pistons, valves, and emission hardware, and keeps the ECU happy with balanced air‑fuel trim.

How It Works ⚙️

The ECU commands a motorized pintle (or vacuum diaphragm) to open in steps. An internal position sensor feeds back the exact angle. Gases pass through the valve body into the intake, mixing with fresh air. Smart mapping adjusts flow by load, RPM, and temperature.

If It Fails

Stuck closed: higher NOx, pinging, hot EGT, possible DPF stress. Stuck open: rough idle, black smoke, power loss, stalling, hard starts. Both cases trigger a check engine light, limp mode, and poor fuel economy. Carbon build-up is common; replace if cleaning can’t restore smooth movement.

Pro Tips

Update ECU if applicable, fit new gasket, torque evenly on a cold engine, and perform adaptation/learn values. Always check hoses and cooler for soot and leaks.

Compatibility

• Nt400 Cabstar
• Atlas
• Caravan
• Cabstar
• Patrol
• Safari Pick Up
• Urvan
• Tk55
• Civilian
• Safari
• Atleon