Originally Posted by Robbie94gt
Well the water pump Is holding pressure so. I'm glad for thst. But I put a new afpr on it today cuz my pressure was lower than specs. But it's shooting gas out of the vacuum port. So I guessing I bought a bad one. But if my fuel preuusure is about 8 psi below spec do y'all think it would not have all the power that it should have ?
Gas out of the vacuum port means the diaphragm has a hole in it.
Low fuel pressure has a direct effect on how much fuel gets squirted into the engine, so yes, it will also effect how much power the engine is making. Less fuel, less power.