May engines do not have a stand alone access port for fuel pressure, you have to "T" in to the fuel line at one of the connectors, you will need a good quality fuel pressure test kit that has a range of fittings, it sound as if the fuel pressure id bleeding off and when starting you have low pressure, a quick check is to cycle the fuel pump 2-3 times before starting, if it starts ok, you will have a fuel pressure issue, as this will ensure fuel rail pressure when starting.
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Sunday, January 11th, 2015 AT 3:22 AM