16700-59B-004
KEIHIN 16700-59B-004 Pompe Haute Pression Honda Civic CR-V 1.5T
16700-59B-014, GDP209, HM10025Integrated High-Speed Spill Control Solenoid Valve-200 barSpécifications techniques
| Spécification | Valeur |
|---|---|
| Pression de serviceSpéc. clé | |
| Pump Technology | Single Plunger Mechanical Camshaft-Driven HPFP |
| Flow Control | High-Speed Electromagnetic Spill Valve |
| Mounting Flange Torque | 12 N·m |
| High Pressure Line Torque | 28 N·m |
| Drive Type | Exhaust Camshaft Tri-Lobe Drive with Roller Tappet |
| Fuel Type | Gasoline Direct Injection (GDI / Earth Dreams) |
| OE Cross References | 16700-59B-004, 1670059B004, 16700-59B-014, 1670059B014, GDP209 |
| Failure Symptoms | Crankcase oil level rise (fuel dilution), pungent gasoline odor in oil, long warm crank, P0087 |
| Diagnostic Test | HDS Live Data: compare Target FRP vs Actual FRP across 1500-6000 RPM boost transitions |
Injecteurs de carburant associés (Ensemble circuit de carburant)
Alimenté directement par cette pompe haute pression. Vérifier le débit de retour des injecteurs si la pression de rail ne monte pas au démarrage.
Conseils de montage
- [
- "De-energize low-pressure fuel pump relay and run engine until stall to relieve fuel pressure.",
- "Remove engine acoustic beauty cover and disconnect spill control valve harness connector.",
- "Counter-hold pump discharge fitting and loosen high-pressure steel fuel pipe flare nut.",
- "Remove the mounting bolts in small alternating turns to release internal spring tension safely.",
- "Extract pump assembly and inspect cylinder head roller tappet for scoring, wear, or seizure.",
- "Replace sealing O-ring and apply a coat of fresh engine oil prior to inserting into cylinder head.",
- "Tighten mounting flange bolts progressively in an X-pattern to exactly 12 N·m.",
- "Hand-thread high-pressure pipe nut to ensure zero cross-threading, then torque to 28 N·m.",
- "Reconnect harness, cycle key 3 times to prime low-pressure feed, and verify zero fuel leakage."
- ]
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:
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.
Protocoles Techniques de Diagnostic & Réparation
Procédures d'atelier vérifiées, seuils de test et guides d'intervention pour cet ensemble.