정기점검 수리 사례
총 비용
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공임
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부품비
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소요 시간
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2026. 8. 17. 작업
난이도 & 준비물
증상
2014 Jetta GLI, 2.0L 인라인 4기통 16밸브 터보차저/인터쿨러 TSI 엔진. AC/제상 기능 작동 시 엔진이 "더덜링(stumbling)" 상태로 진입. 엔진 실행 중 AC를 끔으로써 복구되지 않음. 엔진을 완전히 끄고 "디젤링(dieseling)"이 멈출 때까지 대기해야 함.
처리 내용
"더덜링"은 엔진이 실속을 피하기 위해 버거덕거리며 힘을 잃는 상태를 의미하는 것으로 추정됨. AC 컴프레셔 클러치가 올바르게 온/오프 동작하는지 확인. 클러치 풀리가 고착되면 크랭크샤프트로부터 보조 벨트의 부하를 받으면서 온이 되었다가 오프되지 않을 수 있음. 엔진이 꺼진 후에도 짧은 시간 동안 계속 회전하는 현상(디젤링/engine run-on)을 확인하고, 필요시 점화 타이밍, 연료 압력 조절기, 그리고 유휴 속도 제어 시스템을 진단하기 위해 스캔 도구로 ECU 코드를 읽음.
출처
이 사례는 Stack Exchange (미국)에서 수집한 데이터입니다.
신뢰도 4.1점(높음) — 출처 소스의 전문성/검증구조를 기준으로 산정된 점수이며, 정확성을 보장하지 않습니다.
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