D21 Hardbody 4WD V6-2960cc 3.0L SOHC MFI (VG30E) (1991)
17. Inspect the fuel return lines for restrictions (kinks, bends or collapsed hoses).
a. If O.K. proceed to step 18.
b. If not O.K., repair or replace as needed and re-test.
18. Replace the fuel pump and re-test.