I sent my injectors to https://injector-rehab.com . Along with thorough cleaning they'll give you the flow metrics. Very useful if setting up for megasquirt. $109 for four injectors. Max On Wed, Sep 30, 2020 at 6:57 PM Mike Fisher <fisherfarms at gmail.com> wrote: > > Lucas brand injector cleaner really helps my wife’s Nissan run better! >