DL3Z-9F593-A
BOSCH DL3Z-9F593-A High Pressure Direct Fuel Injector Ford F-150 Expedition Transit Lincoln Navigator 3.5L EcoBoost V6 0261500140
0261500140, 0261500141, FJ1151High-Response Multi-Hole Electromagnetic High-Pressure Nozzle-150 barTechnical Specifications
| Specification | Value |
|---|---|
| System Type | Ford EcoBoost 150-bar High-Pressure Direct Injection System |
| Operating PressureCore Spec | |
| Spray Configuration | Laser-Drilled 6-Hole Asymmetric Spray Pattern |
| Injector Hold-Down Bolt Torque | 10 N·m (89 in-lb) fuel rail mounting bolts📐 Torque & Angle Wizard → |
| Fuel Line Nut Torque | 28 N·m (21 lb-ft) high-pressure crossover tube flare nut |
| Combustion Seal | PTFE Virgin Teflon Combustion Ring with Backing Washer |
| Rail Sealing | High-Temperature Fluorocarbon (FKM) Upper O-Ring |
| Manufacturer | Bosch (Tier-1 OEM for Ford Motor Company) |
| Bosch Production Number | 0261500140 / 0261500141 |
Matched High-Pressure Fuel Pump (Fuel Circuit Assembly)
Operates on the same high-pressure rail circuit. When troubleshooting low rail pressure (DTC P0087), verify pump volumetric delivery before replacing injectors.
Installation Tips
- [
- {
- "step": 1,
- "title": "EcoBoost High-Pressure Fuel Rail Depressurization",
- "instruction": "Depressurize fuel system by removing the low-pressure fuel pump fuse and running engine until it dies. Disconnect negative battery cable."
- },
- {
- "step": 2,
- "title": "Upper Intake Manifold & Charge Pipes Removal",
- "instruction": "Disconnect turbo boost pipes, throttle body wiring, PCV hoses, and remove the composite upper intake plenum to access Bank 1 and Bank 2 fuel rails."
- },
- {
- "step": 3,
- "title": "High-Pressure Crossover Pipe Disconnection",
- "instruction": "Unscrew the stainless steel high-pressure fuel crossover lines using a 17mm flare nut wrench. Discard the single-use hard pipes per Ford service directives."
- },
- {
- "step": 4,
- "title": "Fuel Rail Extraction & Bore Prep",
- "instruction": "Remove fuel rail retaining bolts. Pull rails and injectors straight back along their axis. Thoroughly clean carbon deposits from the cylinder head injector wells."
- },
- {
- "step": 5,
- "title": "Injector Installation & Final Torquing",
- "instruction": "Lubricate upper O-rings with clean engine oil (keep Teflon tips completely dry). Push injectors into rail, torque rail bolts to 10 N·m (89 in-lb), and crossover pipe nuts to 28 N·m (21 lb-ft)."
- }
- ]
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
Injector Circuit Malfunction / Open Circuit
Solenoid coil resistance drift (0.2-0.5 Ω) or piezo stack degradation triggers driver stage shutdown on affected cylinders.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.