Hello, welcome and thanks for asking your question. My name isXXXXX am a Certified Auto Technician with 26+ years experience. I will do my best to assist you. I don't know your automotive experience level, so I may need to ask questions of you before I can answer. I only know as much about your concern as you have stated in your post, so please feel free to add as much detailed information as possible.
I have a pic showing the Injection pump, It looks like the Supply Line is the one closest to the block, That one should come from the low pressure pump....
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