Will a faulty MAF sensor always spark a check engine light? - Toyota Yaris Forums - Ultimate Yaris Enthusiast Site

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Will a faulty MAF sensor always spark a check engine light?

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05-03-2021, 07:01 PM	#1
Corben Oldie Drives: 2012 yaris sedan Join Date: Apr 2021 Location: Northern california Posts: 10	Will a faulty MAF sensor always spark a check engine light? My 2012 sedan has some acceleration hesitation, a lot like whats is described for a bad MAF sensor. But my check engine light is off.

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