Quote Originally Posted by levimeloy View Post
Is there a way to test the lift pump?


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I'm sure there is. But I am afraid I don't know how. I'm a Dodge guy and really good at them. The principles are the same. I'm a moderator borrowed from Igotacummins. I help where I can here.

I don't know if there's a port on the line or not on the GM. I was kind of hoping another member would chime in. But I'll do some research