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I suppose it might if the dense fog is of sulphur dioxide instead of water vapor. Leaving that unlikely event aside, let's say no, it's just a coincidence. The check engine light actually means there might be something wrong with your emissions system (nothing to do with your engine, unless you are burning huge amounts of oil). Even then, it's most often caused by simply not tightening up your gas cap at least 3 or 4 clicks.
Go fill your gas tank, close the cap really tight, and it will probably repressurize and that light will go out by the time the tank is empty again.
Phil
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∙ 16y ago
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What does the engine block warning light mean?
A light that looks like a small yellow engine is the check engine light.See related questions below.A light that looks like a small yellow engine is the check engine light.See related questions below.
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