Fuel pressure regulator location on 2013 3500 Silverado HD

Question

I need help on the location of a fuel pressure regulator on my 2013 3500 Silverado 6.6 turbo diesel. If anyone can help that’d be awesome thanks.

Answer 1

 There are two pressure regulators on your vehicle. Both regulators are on top of the engine.

(1)	Fuel Pressure Regulator 2
(2)	Engine Coolant Temperature (ECT) Sensor
(3)	Fuel Pressure Regulator 1
(4)	Fuel Temperature Sensor 1