1500 4x2 Pickup V8-5.2L CNG VIN T (1996)
5. Connect vehicle fuel line into adapter tool 6923. Be sure fuel line is fully seated into adapter tool 6923.
6. Remove protective cap at test port "T" on adapter tool number 6923.
7. Connect the 0-414 kPa (0-60 psi) fuel pressure gauge (from gauge set 5069) to the test port "T".
8. Start engine and note pressure gauge reading. Fuel pressure should be 339 kPa +/- 34 kPa (49.2 psi +/- 5 psi) at idle.
9. If pressure is at 0 psi, connect DRB scan tool and refer to Powertrain Control Module/Testing and Inspection.
10. If operating pressure is above 54.2 psi, fuel pump is OK but fuel pressure regulator is defective. Fuel pressure regulator is not serviced separately.
Replace fuel pump module assembly.
11. After performing pressure test, install fuel line into fuel rail. Install latch clip into fuel rail.
