My Mazda 2001 Tribute start ok but after it warms up it stalls at traffic lights

Can guess at it forever, have it scanned!!

I agree with first comment. You need to get it professional scanned. If you want us to check this out please call (313) 208-7752 or schedule an appointment on line at StansGarage.net. I am sure we can diagnose it and give you the answer you need. Larry