The linked video contains the comment left by spikedspike that gave me the idea to check this area: [ Ссылка ]

The affected engine is a 2.2 Liter L61 Ecotech. This engine was also in the Chevy HHR, Malibu, Pontiac Pursuit/G5, and Saturn Ion. As mentioned in the forum posts linked by spikedspike, similar issues appear to affect other engines and car makes/models.

Good video by Cobalt Racing Channel going over how to replace the defective oil pressure switch: [ Ссылка ]

Replacement oil pressure switch I used (Part #: D1849A): [ Ссылка ]

Socket purchased to install part (Part #: 13250): [ Ссылка ]

Per Carbon's DIY Garage's comments, neither of these repair attempts resolved the issue.
ECM replacement: [ Ссылка ]
TCM replacement: [ Ссылка ]

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