Home Forums Cars P0402 & P1411 동시 뜸 This topic has [2] replies, 0 voices, and was last updated 5 years ago by 음…. Now Editing “P0402 & P1411 동시 뜸” Name * Password * Email Topic Title (Maximum Length 80) 안녕하세요. 두개 동시 스캔됩니다.. P0402 EGR excessive flow detected P1411 EGR Valve Position Sensor circuit range/performance malfunction 포지션 센서가 불량이면 위 코드 2개가 같이 뜨나요? I agree to the terms of service Update List