Pressure!
05-10-2009, 08:52 AM
#1
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Pressure! Is it normal for the fuel pressure to drop down to zero overnight?
I left the fuel gauge attached and it was fine last night, but went down to zero this morning. I didn't see any leaks in the system?
I left the fuel gauge attached and it was fine last night, but went down to zero this morning. I didn't see any leaks in the system?
05-10-2009, 11:30 AM
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I'd say no, that's something that needs to be investigated. Before starting my swap, I had a mech. fuel pressure gauge on my car (under the hood), and it showed that the line would hold pressure for several days. Maybe you've got an issue with the regulator, or an injector that's leaking into the cylinder??
Good luck.
Good luck.
05-10-2009, 12:47 PM
#3
Mine would take 2-3 days to drop from ~59psi to 5-10psi, and this was using a Corvette FPR. This doesn't seem too unreasonable given pressure regulator internal tolerances on a mass-produced assembly line piece like the Corvette one, as long as it keeps it below 58!!!
