troubleshooting help car is stumbling and lean

Glass94

New Member
Jul 19, 2020
3
0
1
27
kentucky
So i have a 94 mustang with megasquirt, I was driving home and all of a sudden the car starts stumbling really bad, it doesnt want to rev up either and is super lean if given any throttle.
Was wondering if anyone might have a clue what it would be? I havent really tried troubleshooting it myself yet i was just wanting input from anybody.
 
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