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International Automotive Technicians Network
Re: Snap On MT290 injector tester
Posted to Tool & Equipment Forum on 4/8/2019

Hi Dan!

Louis will likely have the answer for you first as I'm at work and the PDF he sent me is at home. If memory serves it said a 4AG fuse. Most automotive fuses were a fast blow so you are likely OK if you changed it. A slow blow looks different inside t... Login to read more.