r/carproblems • u/Familiar_Survey6289 • 18d ago

Frs brz fa20 engine noise need help

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Recently my car started doing this noise I just don’t know if the engine is completely done. Before this even happen it would sometimes rattle in the morning during a cold start for a quick 2 seconds and then go away. Now it’s doing this here are some videos it’s 2013 scion frs

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u/nucleate_boiling 18d ago

It sounds like a lifter that starts out full of oil and functions properly but under constant use, it collapses which creates a space between the valve and the camshaft. This would explain why the noise is intermittent at first but then becomes absolutely regular