how do change a fuel pressure regulator on a vortec 5.7
3 Answers
Take off the upper intake, the regulator is on the backside of the fuel injector unit "spider".
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installed a new regulator back into the spider unit but noticed that there isn't a vacuum hose that connects to the open in of the regulator. Q, is suppose to be one?
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Nope, it is surrounded by vacuum
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