16700-59B-004
KEIHIN 16700-59B-004 Pompa Alta Pressione Honda Civic CR-V 1.5T
16700-59B-014, GDP209, HM10025Integrated High-Speed Spill Control Solenoid Valve-200 barSpecifiche Tecniche
| Specifica | Valore |
|---|---|
| Pressione di esercizioSpecifica Chiave | |
| 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 |
Iniettori carburante abbinati (Gruppo circuito carburante)
Alimentato direttamente da questa pompa alta pressione. Verificare il flusso di recupero se la pressione rail non sale durante l avviamento.
Istruzioni di montaggio
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- "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."
- ]
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
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.
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.