Set your Instant pot to the saute setting
Add olive oil, ground pork, onion, garlic, and celery to the inner pot of your Instant Pot.
Brown pork, but don't worry about cooking it all the way through. Saute until onions and celery are transparent.
Add chili beans, tomatoes, tomato paste, and water to the inner pot.
Secure lid to your Instant pot and set the pressure release valve to " sealing"
Pressure cook for 12 minutes. Quick-Release pressure
Set your Instant Pot to the saute setting again. Saute and stir chili to thicken it up a bit.