Can anyone tell me what the switch sensor on the back of the air filter assembly is called. it has three wires to the plug and a small pipe behind. Can someone tell me what it does. thanks
IT could be the mass air flow sensor or a volume air flow sensor or even an ambient air temperature sensor
A service dealer will be able to tell you which one it is.
Testimonial: "It is none of the above. I know all these and what they look like. This is switch (sensor) is screwed externally to the air box and may have nothing to do with air flow. You need to know tdci to answer this."
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