EJ7Z-9F593-A

1. [
2. {
3. "step": 1,
4. "title": "Relieve Residual Fuel Pressure & Remove Intake Pleno",
5. "instruction": "Depressurize high pressure fuel rail via diagnostic scan tool or fuel pump fuse isolation. Remove upper engine cover and sound dampener."
6. },
7. {
8. "step": 2,
9. "title": "Disconnect Fuel Rail Wiring & Fuel Lines",
10. "instruction": "Unclip direct injector wiring harnesses. Unscrew fuel rail cross-over pipe flare nuts (25 N·m) and rail retaining bolts (21 N·m)."
11. },
12. {
13. "step": 3,
14. "title": "Extract Injector Assembly & Fit Teflon Seals",
15. "instruction": "Use slide hammer injector puller tool to lift injectors vertically. Fit new Teflon tip seal and compress with sizing die."
16. },
17. {
18. "step": 4,
19. "title": "Torque Rail Bracket & Test For Leaks",
20. "instruction": "Seat injectors into cylinder ports. Torque rail bolts to 21 N·m. Tighten fuel pipe to 25 N·m. Prime fuel system and check for odor or seepage."
21. }
22. ]

Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift: