Car shaking and flashing engine light after oil change

No additive added in the engine. It was added in the fuel tank. Seafoam.

Gasoline additives won’t be relative to the engine problem, it takes at least 200 miles to consume a tank of fuel.

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This is the oils color after 15 miles. Synthetic blend.

Looks like motor oil on a paper towel alright.

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To be fair, he was asked a few times by different members about the color of the oil


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I only remembered the Q of whether it looked like a chocolate milkshake. Not any questions about color. (Tho, it might have been in the other thread about this car). Of course, as we know, color means not much. Chocolate milkshake on the other hand


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