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What would cause the fuel system in your 1990 3.1 cavalier to lose pressure when NOT running?
Wiki User
∙ 11y ago
it has a machanical fuel pump mounted on the engine. so there would be no pressure as you turn the ignition on, but would only get pressure once the engine has turned a few times, by the starter motor, in order to create fuel pressure. but check your fuel lines, usually they would be your problem
Wiki User
∙ 11y ago
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