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Q: Car stalled and rattled upon restart

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The car stalled at a red light with no warning or Check Engine light coming on. The car just stalled and when I started it up again, I heard a rattling sound coming from the engine.

The stall and rattling sounds like the timing chain tensioner may have failed and the timing chain is rattling. The chain tensioner would have to be checked for failure. I recommend you have a mechanic, like ones from YourMechanic, inspect the rattling issue and verify if it is a failure of the chain tensioner.

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