I stalled getting a service done, air filter. P0401 stands for “exhaust gas recirculation (egr) flow insufficient detected.” it indicates that the engine control module has detected insufficient. Learn how to check, diagnose & fix it here.
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Is your bmw showing the dreaded p0401 engine code
😱 don't worry — in this video, we'll guide you through how to fix the exhaust gas recirculation (egr) flow insufficient issue like a pro.
Find out what the p0401 code means, its causes, and the best ways to fix it for smoother idling and improved fuel efficiency. Learn what the p0401 “egr flow insufficient” code means, common causes, and how to fix it Find out repair costs and how to clear the code for good.