Hot Shot's Secret DIESEL DUO, 2qt STICTION ELIMINATOR and 2qt DIESEL EXTREME STICTION ELIMINATOR: RESTORES POWER & COMPRESSION STICTION ELIMINATOR: REDUCES WEAR STICTION ELIMINATOR: PROTECTS TURBO, INJECTORS & RINGS DIESEL EXTREME: CLEANS INJECTOR TIPS DIESEL EXTREME: BOOSTS CETANE UP TO 7 PTS & RESTORES THROTTLE Reduces engine wear Eliminates stiction build-up that causes most injectors to fail Stops excessive black smoke, bucking &amp; chugging &#039;Failing&#039; HEUI injectors Black smoke Hard starts Weak turbo boost Black smoke Poor fuel mileage Unresponsive throttle