Welcome to the site.
Good work on the tune up, it helps most of the time with me.
It looks like a rash of this is occuring lately. Lack of sufficient fuel pressure has been the problem with many and likely is your issue too.
A fuel pressure check is in order, the pressure spec. is 61-65psi.
There are test kits available at most auto parts stores for around $40 and Harbor Freight sometimes has them at a lower price.
Here's where to check yours,
Be aware that if a fuel pump replacement is in order, use only the Delco brand pumps as other pumps appear to be failing, often as soon as they're installed.
Let us know what you find.