0261520215

1. [
2. {
3. "step": 1,
4. "title": "Depressurize Fuel Rail & Isolate High-Pressure Circuit",
5. "instruction": "Pull fuel pump relay in rear fuse box and crank engine for 10 seconds. Verify scan tool low pressure fuel reading falls under 5 bar before cracking flare nuts."
6. },
7. {
8. "step": 2,
9. "title": "Inspect Engine Oil for Fuel Dilution",
10. "instruction": "Pull oil dipstick. If oil level is elevated or smells strongly of gasoline due to internal plunger seal blowby, schedule immediate oil and filter change."
11. },
12. {
13. "step": 3,
14. "title": "Clean Cylinder Head Bore & Lubricate O-Ring",
15. "instruction": "Clean mounting bore on cylinder head. Coat new Viton O-ring with clean engine oil. Never use silicone sealant on flange face."
16. },
17. {
18. "step": 4,
19. "title": "Torque Flange Fasteners Alternately",
20. "instruction": "Position pump on cylinder head while camshaft is at base circle. Thread mounting bolts hand-tight, then torque alternately to 12 N\u00b7m."
21. },
22. {
23. "step": 5,
24. "title": "Connect High-Pressure Hard Line & Torque",
25. "instruction": "Align high-pressure hard line square into pump discharge port. Finger-tighten fitting, then secure flare nut to exactly 28 N\u00b7m."
26. }
27. ]

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