How do I test a mechanical fuel pump (psi test) |
2016-3-17 · Our older low pressure push rod pump equipped cars do not have a schrader valve like most of the newer high pressure EFI vehicles do. About the only way to test pressure is to tee into the line after the fuel pump with a 0 - 15 psi gauge. Mar 17, 2016 #3. Riley Veteran Member.
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