2002 bonne ssei fuel pressure - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 07-17-2013, 08:11 PM   #11
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One of my buddies verified that everything is as it should be so we're all good. Thanks guys.
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Old 09-19-2013, 02:10 AM   #12
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I would almost be willing to be that when you pulled the fuel pump to replace the sending unit, you developed a crack in the corrugated hose from the pump to the module outlet fitting. That will drop fuel pressure and drive you bonkers. Ask me how I know. The check valve in the pump itself is just a ball bearing. That hose gets brittle with age and once it comes out of the fuel bath and dries out, you don't even want to look at it funny or it will crack.

Glad you got it fixed though.
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Old 09-19-2013, 02:11 AM   #13
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I meant to say that it will drop pressure after you shut the car off, not the normal running pressure.
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