direct injection

So I posted about using CRC Intake Valve cleaner last week hoping to get some feedback but just ended up with a couple of guys arguing pretty much the entire thread which resulted in it being closed down by the mediator. However, what I think I learned from some who did offer information was...

So I bought my Ranger at ~91k miles. To my knowledge, I do not believe it has had any cleaning done to remove carbon buildup in the engine. I don’t drive the truck very often and usually shorter trips so I am worried about extra carbon buildup. I hear there are a couple potential things to...