Old Mercedes 300D Engine Reported Dead Part 3: The Real Culprits

I will discuss the last two of four things this Diesel engine needs in order to start. Then I will show you the tests and what I found wrong. A combination of these two things kept the engine from starting. Link to fuel injector tester and replacement nozzles.: https://mercedessource.com/store/sear.... Link to glow plugs and related pre-glow system components. https://mercedessource.com/store/sear...