HITACHI
12692510
Ver Especificações
SolenoidHitachi / GM 200-bar Direct Injection Fuel Delivery SystemEuro 6330
HITACHI 12692510 Bomba Alta Pressão Cadillac XT5 Camaro 3.6L LGX
Plataforma do motor:GM 3.6L High Feature V6 SIDI (LFX / LLT / LGX / LFY) →
REFERÊNCIA OE
12661029, 12677329, 12683984, HM10041, HPP0026, GDP108VÁLVULA DE CONTROLO
Integrated Pulse-Width Modulated Fuel Pressure ActuatorBICO INJETOR
-PRESSÃO DO RAIL
200 barEMISSÕESEuro 6 / Tier 3 Bin 30 / ULEV
GARANTIA12 Meses
03
Especificações Técnicas
| Especificação | Valor |
|---|---|
| Pressão de trabalhoEspec. Principal | |
| Pump Technology | Single Plunger Mechanical Camshaft-Driven HPFP |
| Flow Control | Pulse-Width Modulated Fuel Pressure Regulator Solenoid |
| Mounting Flange Torque | 10 N·m |
| High Pressure Line Torque | 30 N·m |
| Drive Type | Camshaft Multi-Lobe Drive via Hydraulic Roller Lifter |
| Fuel Type | Gasoline Direct Injection (SIDI / Spark Ignition Direct Injection) |
| OE Cross References | 12692510, 12661029, 12677329, 12683984, HM10041, HPP0026 |
| Failure Symptoms | Extended crank, fuel smell in crankcase, P0087 low rail pressure, power reduction mode |
| Diagnostic Test | GDS2 scan tool: Command rail pressure sweeps (40 to 200 bar) at idle and fast idle |
04
Dicas de instalação
- [
- "De-energize in-tank fuel pump fuse and crank engine until fuel pressure drops to zero.",
- "Remove sound insulator shroud over cylinder head rear; disconnect pressure regulator harness plug.",
- "Carefully loosen high-pressure steel delivery tube flare nuts while backing up the pump fitting.",
- "Evenly unbolt the two M6 mounting bolts half a turn each to release spring preload without tilting.",
- "Inspect roller lifter and camshaft driving lobe for surface scoring, flaking, or rotational drag.",
- "Lubricate new viton O-ring with fresh synthetic engine oil and insert pump squarely into bore.",
- "Torque mounting bolts in small incremental passes to a final 10 N·m.",
- "Torque high-pressure line flare nut to 30 N·m; reconnect electrical harness and verify zero fuel weeping."
- ]
05
Codigos de Falha (DTC) e Protocolos de Diagnostico
Codigos de falha diagnosticos (DTC) comuns acionados quando este injetor common rail apresenta desgaste, falhas de circuito ou desvio:
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.
PROTOCOLOS DE OFICINA
Protocolos Técnicos de Diagnóstico & Manutenção
Procedimentos de oficina verificados, valores limite de teste e normas de serviço para este conjunto.
DIAGNÓSTICO COMMON RAIL NA OFICINA
Ler protocolo técnicoDiagnóstico Bomba Alta Pressão: Código P0087 e Bosch CP4
DIAGNÓSTICO DIESEL COMMON RAIL DE OFICINA
Ler protocolo técnicoDiagnóstico da Válvula Dosadora IMV SCV e Teste P0088
PROTOCOLO DE DIAGNÓSTICO OBD-II
Ler protocolo técnicoGuia de Diagnóstico de Baixa Pressão no Rail - DTC P0087
DIAGNÓSTICO OFICINAL COMMON RAIL
Ler protocolo técnico