Gumout Q & A – April 2015

Gumout question and answers. Find below a comprehensive Q & A about all things Gumout 1. Interested in GDI fuel system maintenance, from tank to high pressure pump to injectors and upper cylinder. Is there a product with DI in mind?   Our Complete Fuel System...

Gumout Q & A – June 2014

Gumout question and answers. Find below a comprehensive Q & A about all things Gumout It is my understanding that the products listed as “Fuel System Cleaners” contain the ingredient PEA, but do the lower tier cleaners such as the “Fuel Injector...