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현직 정비사가 직접 기록한 실제 수리 사례 22

필터:점화 플러그 교환×초기화
토요타

토요타 캠리

2018년식 · ACV70 (2017-현재) · 2.5 자동

점화 플러그 교환

THERE HAS BEEN SEVERAL MISFIRES WHEN STARTING THE CAR, AND THE CAR SOMETIMES GOES INTO LIKE AN IDLE MODE. THE DASHBOARD STATES 27 MPG, BUT I'VE BEEN TRACKING MILEAGE ON A PAPER LOG, AND THE VEHICLE IS REALLY ONLY RECEIVING APPROXIMATELY 19 MPG. I LOOKED TO IT TO SEE WHAT IT COULD BE, AND AFTER LOOKING UP ACTIVE RECALLS, REALIZED THAT IT WAS SYMPTOMS OF THE FUEL PUMP MALFUNCTIONING. I TOOK IT TO SCOTT CLARK TOYOTA; A MANUFACTURER'S DEALER, AND THEY REFUSE TO REMEDY THE SITUATION.

난이도 보통30~90특수공구
2.8NHTSA2026. 7. 1.

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점화 플러그 교환

old plugs had oil on them. i drove around with new spark plugs after replacement of these old plugs and did multiple stops and drove on highway. everything seems ok? i don’t notice anything wrong. IMG_4090 1920×2560 503 KB IMG_4086 1920×2560 986 KB

난이도 보통30~90특수공구
2.5CarTalk2026. 7. 1.

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점화 플러그 교환

Hi everyone, We’re trying to troubleshoot an issue with a 2007 Mazda MX-5 Miata NC (6-speed manual, around 160k miles, 4 cylinders 2L), and we’d really appreciate some advice from folks with experience. The problem: Cylinder 4 is misfiring due to spark not working properly. What we’ve tried so far: Replaced the spark plug Replaced the ignition coil Rewired the ignition coil wiring (the misfire briefly stopped after this, but it came back shortly after) At this point, we’re open to suggestions, any insights or ideas are welcome. Thanks in advance!

난이도 보통30~90특수공구
2.5CarTalk2026. 7. 1.

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점화 플러그 교환

1996 Pathfinder, 110K miles. Runs fine from cold start but misses in one cylinder when restart again when engine is warm. Spark plug in that cylinder looks like it’s never seen gasoline, like brand new.

난이도 보통30~90특수공구
2.5CarTalk2026. 7. 1.

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점화 플러그 교환

I've just taken my motorcycle out of storage, I rode her around the block once, parked her, and now she is refusing to turn over. The starter seems to be running fine. I've just filled the tank with new fuel, and replaced the oil. Also, the battery is fully charged. During my ride around the block, I felt a few small "bumps" coming from the engine, as if it was struggling to continue to operate. Which potential problems should I look for next? My guess would be to check the spark plugs, and test for fuel/oil clogs, in that order, but I'm not an expert, so I'm looking for advice (is there somet

난이도 보통30~90특수공구
2.8Stack Exchange2026. 7. 1.
토요타

토요타 캠리

2018년식 · ACV70 (2017-현재) · 2.5 자동

점화 플러그 교환

I keep getting error code P0304 which says its cylinder 4 misfire the engine starts shaking a bit and most of the warning lights in my dashboard turn on and it disables the parking brake , I took it to a shop and they took out the fuel injectors to visualy inspect them and moved injector 4 to a different cylinder but the same error keeps coming back cylinder 4 misfire , I keep having to spend money and still have the same issue. It only does it on a cold start .

난이도 보통30~90특수공구
2.8NHTSA2026. 7. 1.

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점화 플러그 교환

I have a 2009 Pontiac Vibe, It seems to run fine on the highway but is struggling with stop and go traffic. When at stop lights, or trying to accelerate from a stop the engine jolts and cuts off. The engine has also shut off while idling, when engine was hot. Check engine light comes on P0351-P0354, ignition coils A-D, “Primary Control circuit/open”. I took it two 2 shops without them finding a problem, they checked the coils and wiring. I replaced the battery, spark plugs and throttle body (throttle was getting stuck earlier in the year preventing car from starting properly, improved after cl

난이도 보통30~90특수공구
2.5CarTalk2026. 7. 1.
토요타

토요타 캠리

2018년식 · ACV70 (2017-현재) · 2.5 자동

점화 플러그 교환

OFTEN DURING ACCELERATION, MY CAR SEEMS TO SPUTTER OR MISFIRE. WHEN TAKING OFF THERE SEEMS TO BE, AS THE ONLY WAY I CAN DESCRIBE IT, AN AIR BUBBLE IN THE FUEL LINE. KINDA LIKE FUEL ISN'T CONSTANTLY BEING FED TO THE ENGINE. THERE ARE GAPS. WHILE DRIVING AT A CONSTANT SPEED, THIS DOES NOT HAPPEN. ALSO, SOMETIMES WHEN ACCELERATING FROM A STOPPED POSITION, MY CAR ACCELERATES SLOWLY AND THEN ALL OF A SUDDEN, TAKES OFF AS IF ITS PLAYING CATCH UP. ALTHOUGH THERE ISN'T AN ACTIVE RECALL ON MY CAR, I THINK THERE IS A PROBLEM WITH THE FUEL PUMP.

난이도 보통30~90특수공구
2.8NHTSA2026. 7. 1.

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점화 플러그 교환

Spark plug broke off in engine - can I drive the car?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

Can (possible) exhaust system damage cause random misfires?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

What happens if a single spark plug unexpectedly goes down in a multi-cylinder engine?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

How to properly change out spark plugs?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

How to diagnose the cause of no power reaching the spark plugs when power reaches everything else, after checking fuses?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

A most intriguing cold-start misfire mystery

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

How does low oil level cause misfires or VTEC malfunctions?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.

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점화 플러그 교환

Will Driving 100 Miles With a Misfire Damage My Car?

난이도 보통30~90특수공구
2.5Stack Exchange2026. 6. 30.
현대

현대 아반떼

2020년식 · AD (2015-2020) · 1.6 GDi 자동

점화 플러그 교환

공회전 불안정, 가속 시 떨림, 연비 저하.

난이도 보통30~90특수공구
90,0002026. 5. 28.
메르세데스-벤츠

메르세데스-벤츠 A클래스

2018년식 · W176 (2012-2018) · A200 자동

점화 플러그 교환

연비 저하, 가속 불량, P0300 저장

난이도 보통30~90특수공구
320,0002026. 2. 22.
푸조

푸조 208

2024년식 · B9 (2019-현재) · 1.2 PureTech 자동

점화 플러그 교환

시내 주행 연비 저하, 가속 응답 불규칙

난이도 보통30~90특수공구
180,0002026. 1. 22.
현대

현대 아반떼

2010년식 · HD (2006-2010) · 1.6 GDi 자동

점화 플러그 교환

가속 시 차량 떨림, 연비 저하, 엔진 경고등 점멸

난이도 보통30~90특수공구
185,0002025. 11. 22.
르노코리아

르노코리아 SM6

2023년식 · L47 (2016-현재) · 1.6T 자동

점화 플러그 교환

연비 저하 + 가속 떨림

난이도 보통30~90특수공구
220,0002025. 9. 10.
혼다

혼다 시빅

2021년식 · FK8 (2017-2021) · 1.5T 자동

점화 플러그 교환

가속 시 미세 진동, 연비 10% 저하

난이도 보통30~90특수공구
240,0002025. 9. 5.