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LS short box · 05-05-2023, 09:18 PM

As said above 58-60 psi no matter what the rpm. It's an electric pump not like a small block mechanical fuel pump.
Low fuel pressure could very well cause a miss fire. Any codes via the check engine light?

05-05-2023, 09:18 PM	#4
LS short box Registered User Join Date: Jun 2015 Location: Carlos MN Posts: 1,927	Re: 2000 silverado fuel pressure As said above 58-60 psi no matter what the rpm. It's an electric pump not like a small block mechanical fuel pump. Low fuel pressure could very well cause a miss fire. Any codes via the check engine light?