I have a 2014 Toyota Camry with 52k miles.
The last 2 times I've gone to the dealership for regular oil change and maintenance checkups, they've tried to get me to do an injection, throttle body, and upper intake cleaning.
The articles I've seen online seem to suggest these things aren't really necessary, and I don't see them mentioned in my owner's manual maintenance guide:
I have noticed when I try to accelerate quickly sometimes it takes a second for the acceleration to kick in. Should I do the above maintenance suggestions?