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It should have a hole with elements sticking down at the front end in the box. You have to remove it from the air box lid. It should resemble this
https://www.ebay.com/itm/1989-1995-FORD-TAURUS-Air-Flow-Meter/183516175542?hash=item2aba6a9cb6:g:qXYAAOSwQrVb3JWV&fits=Year:1989|Model:Taurus|Make:Ford
If you want to clean the sensor you have to spray into that hole. Good luck.