Review Of Cat 3126 Fuel Pressure Regulator References. Cat 3126 fuel pressure test port. 1/13/2021 estimated international ship date:.
Cat 3126 fuel pressure regulator test, clean fuel in bucket, bled system and started engine. Fuel pressure at 750 rpm´s is 20 psi. The ipr (injection pressure regulator ) is located on the back of the high pressure oil pump which is located under the fuel filter assembly.