How do I test the fuel pressure regulator

Asked by Dec 28, 2013 at 02:33 PM about the 2001 Chevrolet S-10 2 Dr LS Extended Cab SB

Question type: Maintenance & Repair

2 Answers

1,535

It should have a vacuum line going to it I don't know what kind of car or engine but you can try disconnecting it

18,205

there is not vacuum line, its in the upper intake. You would need a fuel pressure gauge and check the fuel pressure and leakdown rate. should be 55psi and go no less than 50psi after 10 min

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