The usually have 5000 to 7000 psi at start up.
12
On a 2003 Dodge Cummins truck with a HO engine is rated at 305hp, with the SO engine it is 250hp. BTW there is no "g" in Cummins. ;)
Yes
No.
Doesn't have one.
7 gallons
SixSix
One from the factory.
The difference is in the injectors and engine computer. You can not tell by looking at the engine.
A 2003 GMC Yukon does not have self cleaning fuel injectors. A high pressure cleaning system must be directly connected to the injectors to performing a cleaning.
The 2003 has an electronic lift pump. The system is self priming if the lift pump is working.
The fuel system on a 2003 is self bleeding, just start cranking the engine.