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02 Sportage 4x4...66 Shelby GT350...70 Mercury Cyclone Spoiler
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Discussion Starter #1
The more I review the test procedures, the more questions I have. I can understand how you can test full fuel pressure from the pump. I can't understand though, with the gage connected as directed; how you can read running fuel pressure since the connection is prior to the pressure regulator. Maybe I am not seeing the setup correctly. Thoughts??
 

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All the fluid inside the line before the regulator will be the same, regulated,pressure. The line after the regulator is just the return.
 

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02 Sportage 4x4...66 Shelby GT350...70 Mercury Cyclone Spoiler
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Discussion Starter #3
Thanks, must be one of those physics things. Like lift, you can't see it, but you know it's there, and it works!
 
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