BOSCH
CM5E-9F593-BB
View Specs
SolenoidFord Gasoline Direct Injection (GDI) 150-bar SystemEuro 255
BOSCH CM5E-9F593-BB High Pressure Direct Fuel Injector Ford Focus 2.0L GDI Ti-VCT Escape 2.0L Duratec CM5Z-9F593-B 0261500073
OE REFERENCE
CM5Z-9F593-B, 0261500073, 0261500074, FJ1151CONTROL VALVE
High-Response Multi-Hole Electromagnetic Direct Injection NozzleNOZZLE
-RAIL PRESSURE
150 barEMISSIONTier 2 Bin 5 / Euro 5 / PZEV
WARRANTY12 Months
03
Technical Specifications
| Specification | Value |
|---|---|
| System Type | Ford GDI 150-bar High-Pressure Direct Fuel Injection System |
| Operating PressureCore Spec | |
| Spray Geometry | High-Pressure Laser Multi-Hole Asymmetric Dispersion Pattern |
| Injector Hold-Down Fastener Torque | 10 N·m (89 in-lb) fuel rail mounting bolts📐 Torque & Angle Wizard → |
| Fuel Feed Pipe Nut Torque | 28 N·m (21 lb-ft) high-pressure supply line union |
| Combustion Seal | High-Density Sintered Virgin PTFE Teflon Combustion Ring |
| Upper Rail O-Ring | Fluorocarbon (FKM) High-Temp Viton Rail Seal |
| Manufacturer | Bosch (Tier-1 OEM for Ford Motor Company) |
| Bosch Production Reference | 0261500073 / 0261500074 |
04
Installation Tips
Tips & Warnings:
- Never install PTFE combustion seal dry without sizing: Use specialized expansion and sizing collars; a distorted Teflon ring tears upon cylinder head insertion, causing compression blow-by.
- Mandatory high-pressure fuel line replacement: Ford factory service manuals mandate replacement of the rigid steel line whenever flare fittings are loosened.
- Clean cylinder head injector bores thoroughly: Carbon deposits in the cylinder head bore cause improper seating, improper spray angle, and poor thermal dissipation.
- Inspect spark plugs for fouling: A dripping direct injector fouls the spark plug electrode; replace plugs if carbon crusted or fuel soaked.
05
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
P0087Critical
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
P0201 - P0208High
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.
P0300 / P0301+High
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
P0088High
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
WORKSHOP PROTOCOLS
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.
COMMON RAIL WORKSHOP DIAGNOSTICS
Read Technical ProtocolFuel Metering Valve (IMV/SCV) Diagnostics Guide
OBD-II DIAGNOSTIC PROTOCOL
Read Technical ProtocolP0087 Low Rail Pressure Diagnosis Guide
DIESEL WORKSHOP DIAGNOSTIC SOP
Read Technical ProtocolCylinder Balance & Injector Deviation Guide
ASSEMBLY & INSTALLATION PROTOCOL
Read Technical Protocol