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P0217 P0xxx · 동력계 (P) 심각도 높음
Engine Overheat Condition
Coolant temperature exceeded the protective threshold. The ECU often cuts fuel or disables cylinders to protect the engine — take this seriously.
심각도 안내: 높음 — 즉시 주행을 멈추고 진단하세요. 추가 손상 위험이 있습니다
확인할 수 있는 증상
- Temperature gauge in the red
- Steam from the bonnet
- Loss of power
- Coolant loss with no visible leak
주요 원인
가능성이 높은 순서로 정렬되어 있습니다. 위부터 확인하세요.
- 1 Low coolant
- 2 Failed thermostat stuck closed
- 3 Cooling fan not running
- 4 Water pump failure
- 5 Blocked radiator or head gasket failure
점검 방법
비용이 적고 침습적이지 않은 항목부터 — 대부분의 코드는 부품 문제가 아닙니다.
- ✓ Stop the engine and let it cool before opening anything.
- ✓ Check coolant level and look for external leaks.
- ✓ Verify the fan runs when commanded by the scan tool.
- ✓ Pressure-test the cooling system and test for combustion gas in the coolant (head gasket).
수리 방법
- Repair the leak and refill
- Replace the thermostat, pump or fan assembly
- Head gasket repair if combustion gas is present
P0217 — 자주 묻는 질문
Can I top it up and keep going? +
Only to reach a workshop. Find why it overheated first — otherwise the next overheat is usually terminal.
Is a head gasket likely? +
If coolant disappears with no external leak and you smell sweet exhaust, yes. Do a block test before any major repair.