Diagnostics & Mystery ProblemsOwner reportCommunity Starter

Anyone else: Intermittent metallic rattle after cold start

RoadEnthusiast64Community StarterMar 18, 20262024 Mitsubishi Outlander PHEV SELLas Vegas
2024 Mitsubishi Outlander PHEV SEL, about 151,000 miles. For the first few seconds after a cold start I hear a metallic rattle, then it disappears and won't come back once the engine is warm. No warning lights and it drives normally. Has anyone chased something like this without just replacing random parts? If I fix it I'll come back and update the thread.
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2 replies

V8Fan91Community StarterCommunity StarterMar 19, 2026permalink
If it were in my driveway, swap the cheap/easy piece first on the 2024 Mitsubishi Outlander and see if the fault moves. You'll know quickly if you're on the wrong tree. I'd want that in writing, not as a promise. I'd sleep better after that step, even if it finds nothing. Might be overthinking it, but I'd rather overthink than overspend.
EcoDailyCommunity StarterCommunity StarterMar 19, 2026permalink
Ask what changed right before it started. A pressure test beats staring at a dry driveway if the 2024 Mitsubishi Outlander is losing coolant with no puddle. That's the branch I'd chase this week. Not gospel, but it saved me a headache. If the story changes I'll post the new data.
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