KEIHIN
16450-RNA-A01
Voir les spéc.
SolenoidKeihin Multi-Point Programmed Fuel Injection (PGM-FI / MPI, 4 bar)Euro 56
KEIHIN 16450-RNA-A01 Injecteur Multipoint Honda Civic 8 9 HR-V 1.8L R18A1 FJ786
Plateforme moteur:Honda 1.8L i-VTEC SOHC R18A1 / R18Z1 / R18Z9 →
RÉFÉRENCE OE
16450-RNA-J01, FJ786, 842-12328SOUPAPE DE COMMANDE
-NEZ D'INJECTEUR
-PRESSION DE SERVICE
3.5 barNORME ANTIPOLLUTIONEuro 5 / Euro 6
GARANTIE12 Mois
03
Spécifications techniques
| Spécification | Valeur |
|---|---|
| part_number | 16450-RNA-A01 |
| oem_reference | 16450-RNA-A01 |
| manufacturer | KEIHIN |
| system_type | Fuel Injector |
| pressure_rating | 3.5 bar (50 psi) |
| operating_temperature | -40°C to +135°C |
| flange_mount_torque | 12 N-m (9 lb-ft) |
| high_pressure_line_torque | 12 N-m (9 lb-ft) |
| diagnostic_dtc | P0171, P0300, P0301, P0172 |
| Pression de serviceSpéc. clé |
04
Conseils de montage
- Depressurize the fuel system completely via diagnostic scan tool or by removing the fuel pump fuse prior to line disassembly.
- Clean all surrounding bracket areas thoroughly using residue-free brake cleaner to prevent abrasive particulate ingress.
- Inspect the mechanical camshaft lobe and roller follower or clean injector bore seating surfaces before hardware alignment.
- Install component using fresh factory O-rings or Teflon combustion chamber seals lubricated only with clean motor oil.
- Torque mounting flange fasteners in alternating increments to 12 N-m (9 lb-ft).
- Torque high-pressure hydraulic tube fittings using a calibrated flare nut wrench to 12 N-m (9 lb-ft).
- Prime low-pressure fuel circuit, cycle ignition key 3-4 times, and inspect for high-pressure hydraulic leaks before road test.
Conseils & Avertissements :
- Always replace single-use high-pressure metal fuel lines and micro-filter seals whenever disconnected.
- Verify camshaft driving lobe surfaces for scoring or flat spots before installing any mechanical pump.
- Reset long-term and short-term fuel trim adaptations via OBD-II diagnostic scanner after physical replacement.
05
Codes de Defaut (DTC) & Protocoles de Diagnostic
Codes de defaut diagnostiques (DTC) courants déclenchés lorsque cet injecteur common rail subit une usure, des pannes de circuit ou une dérive d'étalonnage:
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.
PROTOCOLES D'ATELIER
Protocoles Techniques de Diagnostic & Réparation
Procédures d'atelier vérifiées, seuils de test et guides d'intervention pour cet ensemble.
Protocole de Diagnostic Atelier
Lire le protocole techniqueTest Débit de Fuite Injecteur Common Rail: Valeurs & Diag
SOP D
Lire le protocole techniqueExtraction injecteur grippé : SOP atelier et extracteur
PROTOCOLE D
Lire le protocole technique