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Recently when I had my car tuned my tuner unplugged this sensor saying I no longer needed it because I removed the AIR system. What is this sensor and should it still be plugged in?
Thanks
The air pump in the driver's side fender weights a lot, certainly worth getting rid of. Took mine out a while ago along with anything connected to it. Used HP tuners to delete any related code.
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What is this sensor? 
