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Originally Posted by 93TransAm
My dad has the v6
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If you suspect a fuel delivery system problem the best thing to do is hookup an automotive fuel pressure tester to the rear fuel injector rail. There is a Schrader valve on the right hand side of the engine. The pic below shows the gauge connected to a '02 Alero GL2 with 3.4L. A 2002 with 3.4L will have at least 55 psi at fuel pump prime (ignition on not start) and higher when engine is idling and whether vacuum at the fuel pressure regulator is on or off.
