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Another fuel pressure question


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Posted

My 2005 suburban 5.3 sometimes will not start. I have put two fuel pumps in it and still same problem. I have hooked up a pressure gauge and left it on the engine. When the vehicle has the no starting problem, there is no fuel pressure. When I release the pressure on the Schrader valve the vehicle starts up every time.

Posted

Has the fuel pressure regulator on the fuel rail itself ever been changed?

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