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Anthony, ASE Certified Technician
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Experience:  ASE Master Automobile Technician with over 20 years exp.
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Do you need to prime the line after a fuel filter change?

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do you need to prime the line after a fuel filter change?
2001 Isuzu NPR Box truck

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Fill the filter to the top with fuel then install it.

Customer: replied 5 years ago.
would the wrong filter prevent the truck from starting?
No, it wouldn't fit if it was wrong. Putting an empty filter would cause a serious amount of air in the system. Fill the filter and repeat as many times as necessary to get it running.
Customer: replied 5 years ago.
so i shouldn't need to prime the line. I had to do this when I ran out of gas. So pull the filter back off and fill it and then reinstal and then try to start again?
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