Corvette C4 Forum 1984 through 1996

L98 fuel pressure

Old Apr 11, 2011 | 03:22 PM
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Default L98 fuel pressure

I hooked up a fuel pressure gauge to the fuel rail on my '86. When I turned the key on/engine off, the fuel pressure reads 39psi. Leaving the key on/engine off, within a minute the fuel pressure drops to 30. After turning key off, five minutes later it's in the low 20's.

Is this normal?
 

Last edited by atcdork; Apr 11, 2011 at 10:22 PM.
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