23209-24010

1. [
2. {
3. "step": 1,
4. "title": "Depressurize Fuel Rail & Remove Engine Cover",
5. "instruction": "Depressurize fuel line using Toyota Techstream scan tool or fuel pump fuse removal. Remove engine beauty cover."
6. },
7. {
8. "step": 2,
9. "title": "Disconnect High-Pressure Delivery Pipe",
10. "instruction": "Loosen steel fuel line union nuts (32 N·m). Detach direct injector wiring connectors and clamp retaining bolts (21 N·m)."
11. },
12. {
13. "step": 3,
14. "title": "Extract Injectors & Replace Teflon Seals",
15. "instruction": "Carefully remove direct injectors from cylinder head ports. Install new Teflon seals using SST expander and sizing tool."
16. },
17. {
18. "step": 4,
19. "title": "Torque Retaining Bolts & Reconnect Steel Pipe",
20. "instruction": "Press injectors firmly into head. Tighten rail clamp bolts to 21 N·m. Tighten high pressure pipe to 32 N·m. Verify zero leaks upon engine start."
21. }
22. ]

رموز اعطال التشخيص الشائعة (DTC) التي يتم تسجيلها عند تآكل حاقن الديزل أو حدوث خلل كهربائي: