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What should the fuel pressure be when car is running compared to engine off key on on a 1985 corvette?
Wiki User
∙ 18y ago
34 to 39 psi on 1985-1991 models. The fuel system is under constant pressure (meaning the system pressure must be relieved PRIOR to disconnecting any lines or other parts of the fuel system) therefore, system pressure should change very little, unless there is a leak in the system.
Wiki User
∙ 18y ago
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