CJ5Z-9350-B
BOSCH CJ5Z-9350-B Högtryckspump Ford Escape Focus ST 2.0L EcoBoost
0261520140, 0261520141, LR025599, GDP204Integrated High-Speed Digital Flow Control Solenoid-150 barPassande fordon & motorer
| Fordon | Motor | Årsmodell |
|---|---|---|
| Ford Focus ST / Escape | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2013-2019 |
| Ford Fusion / Explorer | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2012-2020 |
| Land Rover Range Rover Evoque | Ford 2.0L & 2.3L EcoBoost (DOHC 16V GTDI Twin-Scroll Turbo) | 2012-2017 |
Tekniska specifikationer
| Specifikation | Värde |
|---|---|
| Systemtyp | Ford EcoBoost 150-bar High-Pressure Direct Injection System |
| ArbetstryckHuvudspec. | |
| Pump Mechanism | Camshaft Multi-Lobe Actuated Single-Piston Plunger Pump |
| Mounting Flange Bolt Torque | 13 N·m (115 in-lb) flange bolts |
| Åtdragningsmoment högtrycksrör | 28 N·m (21 lb-ft) high-pressure delivery pipe flare nut |
| Drive Interface | Roller Tappet Bucket Lifter with Hardened Surface |
| Flow Control Solenoid | Integrated 12V Pulse-Width Modulated Solenoid Actuator |
| Manufacturer | Bosch (Tier-1 OEM for Ford Motor Company) |
| Bosch Production Number | 0261520140 / 0261520141 |
Matchande högtryckspump (Bränslekretsmontering)
Fungerar på samma högtrycks-common-railkrets. Vid lågt railtryck (P0087), kontrollera pumpens flöde innan injektorer byts ut.
Monteringsanvisningar
- Always replace the roller tappet: A worn or flat-spotted roller tappet will destroy the exhaust camshaft driving lobe, requiring complete camshaft replacement.
- Never reuse single-use high-pressure fuel pipe: Ford factory service directives require replacement of the flared steel delivery pipe whenever loosened.
- Verify low-pressure lift pump delivery: A weak tank lift pump (under 50 psi) starves the HPFP, causing cavitation and false pump failure codes.
- Inspect engine oil for fuel odor: A leaking pump plunger seal allows raw fuel into the cylinder head, diluting oil and risking turbocharger bearing failure.
Felkoder (DTC) och Diagnosprotokoll
Vanliga diagnosfelkoder (DTC) som aktiveras nar denna common rail-injektor uppvisar slitage, kretsfel eller kalibreringsavvikelse:
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.
Tekniska Diagnos- och Serviceprotokoll
Verifierade verkstadsrutiner, testgränsvärden och serviceinstruktioner för denna komponent.