Be carefull, Cleaners if not used correctly could damage O Rings in the fuel distributor.That cost $425.00 to replace. John Hervey www.specialtauto.com -----Original Message----- From: anaheim_21 [mailto:anaheim_21@xxxx] Subject: [DML] Fuel Injector Cleaners 3M makes a fuel injector cleaner that is supposed work great. Has anyone on the DML run fuel system cleaners through their systems? What were the results?