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Originally Posted by jakegday
no it doesnt, it tells the computer the temperature of the air coming into the engine, so it knows how much fuel to push out
you're thinking of the mass air flow (MAF) sensor,
but yes, this "wire with a clip" is important, its your intake air temperature (IAT) sensor, without it, your check engine light will remain on permanently, what some people do (dumbasses mainly) is they will just take that sensor out of the intake, and just stick it somewhere where cold air can get to it, when it senses the colder air, it pushes more fuel into the engine, thus giving it more performace, kinda, you'll notice a hair more power, but since you have nothing on your engine to burn that extra fuel, it will just clog up your injectors like a MOTHER FUCKER, and you will notice a loss in performance within a month or 2, you may have seen on ebay these "performance chips" or modules, they literally replace your IAT sensor, and constantly "trick" your engine into thinking the airs colder, again, NOT a good thing
pretty much every intake on the market, even the ebay ones, have a hole for that sensor, so i wouldnt worry about it
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