Solutions Central Solutions Central › Tag: injectorsFilter:AllUnansweredSort byViewsAnswersVotesfuel injectors, how to clean and how often. my 2012 Prius has 30,000 miles.chemtooler answered 10 years ago • Choke, Cleaning / Degreasing > B-12 Chemtool® Carb, Throttle Body Cleaner1403 views1 answers0 voteshow to clean fuel injectorschemtooler answered 10 years ago • Choke, Cleaning / Degreasing > B-12 Chemtool® Carb, Throttle Body Cleaner934 views1 answers0 votes