Runt 0 Posted September 8, 2020 Share Posted September 8, 2020 Per the maintenance guidelines for my 2017 chevrolet spark a fuel system cleaner should be used every once in a while. What brand does everyone use? I don't know what kind to try. Thanks! Link to post Share on other sites
Ray Dockrey 97 Posted September 9, 2020 Share Posted September 9, 2020 My opinion, so take it for what its worth, as long as you are running quality fuel its not needed. I use top tier fuel which has the advantages of more detergents to keep the system clean. So many times they put that in the manual to get you to take it to service when its not really needed. The dealers love it because they can upsell you on products thats not needed. Link to post Share on other sites
Dana Brodbeck 0 Posted January 26, 2023 Share Posted January 26, 2023 In my experience, Techron is the best injector cleaner. I use it after every oil change. Link to post Share on other sites
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