I can't believe I'm writing a review that says this in 2021 and not 1981, but this place sold us bad gas.
I'd heard of this happening to people in my parent's generation, but have never had this happen to me. Our car takes premium fuel (91+ octane), so we filled up here with "Shell V-Power® NiTRO+ Premium", 91 Octane.
Basically immediately after filling up here, the car started knocking under acceleration and had a rough, noisy, idle. After using up the tank of gas from here and filling up with another tank of gas from elsewhere, the problem went away. read more