P0401 Exhaust Gas Recirculation System – Insufficient Flow Detected
P0401 Code Diagnosis: Causes, Symptoms and Solutions in the Exhaust Gas Recirculation System Introduction The P0401 fault code relates to the Exhaust Gas Recirculation (EGR) system, which is designed to reduce exhaust emissions by recirculating some of the exhaust gas back into the combustion chamber. When the onboard computer (ECU) detects that the amount of … Dowiedz się więcej