Best fuel injector cleaners for 2021

By CNET
Chevron Techron Concentrate Plus Complete Fuel System Cleaner
"Best fuel injector cleaner overall"
Lucas Upper Cylinder Lubricant and Injector Cleaner
"Best fuel injector cleaner for diesel engines"
Gumout Regane High Mileage Fuel System Cleaner
"Best fuel injector cleaner for high-mileage cars, engines and vehicles"
Royal Purple Max Atomizer Fuel Injector Cleaner
"Best fuel injector cleaner for direct-injection cars and engines"
Amsoil P.i. Performance Improver
"Best fuel injector cleaner for Hemi engines"