Cooling Water Flow Shutting ValveEHFCVJanuary 20, 2017E/E, PowertrainAisin Seiki Flow is shut at engine start in order to quickly warm-up the engine.Valve is designed to open by the force of cooling water flow so that the valve could stay open during power off (for fail safe). # Thermal Management Share on Facebook Share on X (Twitter) Share on Pinterest Share on LinkedIn Share on WhatsApp Share on Email Share on Flipboard Previous Post Fuel Cell Stack Manifold Next Post Multi Waterway Control Valve Leave a ReplyCancel ReplyYou must be logged in to post a comment.