2001 5.7 GXI-A

[jci63]

What is the correct fuel pressure for both the low pressure pump and high pressure pump with throttle body?

Reads obtained-
LOW pressure pump- 13 P.S.I.
HIGH pressure pump - 30 P.S.I.

thanks

 

[Nashville]

What is the correct fuel pressure for both the low pressure pump and high pressure pump with throttle body?

Reads obtained-
LOW pressure pump- 13 P.S.I.
HIGH pressure pump - 30 P.S.I.

thanks

5.7GXi-A through F.
Low. 8, +/- 4. (I use 10 nominal.)
High. 29, +/- 2. (I use 30 nominal.)