Exhaust gas recirculation system(egr) Fix Code P0403 #mechanicalengineering #viralreels #automobile #reels #mechanic #automobileengineering #mercedesbenz #automechanic #engineering #toyota #honda | Car Tips Tv

What is an EGR Valve?💨🔧🛠️👇 EGR stands for Exhaust Gas Recirculation. It’s a part of the emission control system in petrol and diesel engines. Purpose: Reduce nitrogen oxide (NOx) emissions by recirculating some exhaust gases back into the intake manifold. --- ⚙️ How Does It Work? 1. The valve opens at certain engine conditions. 2. A controlled amount of exhaust gas mixes with fresh air-fuel mixture. 3. This lowers the combustion temperature. 4. Lower temperature → less NOx formation → cleane