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Blog Post: A MAF is a MAF, Right? Well…


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The Mass Air Flow sensor measures the mass of air entering an engine.  The fuel injection uses this and other information to predict the correct fuel/air mixture.  The MAF sensor used on the Cadillac STS-V and several other GM vehicles is the ACDelco 213-4222, GM p/n 15865791. This sensor is actually made by Hitachi.  It [...]

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Bruce

2023 Cadillac CT4-V Blackwing

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