IHADAV8.com - Turbo Buick Tech, and Nonsense
Tech Area => General Buick Tech => Topic started by: TurboCajun on November 30 2014, 09:47:59 PM
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Turn the key on fuel pressure goes to 40 psi but as soon as the pump stops the pressure goes down to 30 then slowly bleeds down. Fairly new pump, regulator and gauge, I seem to remember on a freinds car that his does not drop
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can be a sorry check valve in the pump, leaky injector, or a bad diaphragm in the regulator...No rmally it drops more slowly than that
did you figure out if the puck was not covering the hole?
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no Steve I haven't , but will try to check it during the week.