Relative compression test with injectors 1-3 and 4-6 disconnected at the valve cover.
Injector #1 signal used as a reference for cylinder ID.
Relative Compression Test.jpg
2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit and 50 Gallon auxiliary fuel tank.
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