HITACHI
12639694
Zobrazit parametry
SolenoidGasoline Direct Injection (GDI)Euro 56
HITACHI 12639694 Vysokotlaké Palivové Čerpadlo Chevy Equinox Malibu GMC 2.4L
Motorová platforma:GM 2.4L Ecotec SIDI DOHC 16V (LEA / LAF / LUK) →
OE ČÍSLO
12633494, 12633115, HPP0006, GDP102, HM10008, 12641847ŘÍDICÍ VENTIL
-TRYSKA
-TLAK V RAILU
150 barEMISNÍ NORMAEuro 5 / Euro 6
ZÁRUKA12 Měsíců
02
Použití ve vozidlech a motorech
03
Technické specifikace
| Parametr | Hodnota |
|---|---|
| Part Number / SKU | 12639694 |
| Manufacturer Brand | HITACHI |
| Component Type | Mechanical High Pressure Fuel Pump (HPFP) |
| Engine Application | GM 2.4L Ecotec SIDI DOHC 16V (LEA / LUK / LAF) |
| Provozní tlakKlíčový parametr | |
| Mounting Torque (Flange / Bracket) | 13 N-m (115 lb-in) |
| Fuel Line / Rail Torque | 30 N-m (22 lb-ft) |
| Typické chybové kódy | P0087, P0088, P053F, P0171 |
04
Pokyny k montáži
- Depressurize Fuel System: Pull fuel pump fuse or disconnect LPFP harness. Crank engine 5-8 seconds until it stalls to drop residual rail pressure below 5 bar.
- Clean Surrounding Cavity: Blow compressed air around cylinder head bore or pump flange cavity to prevent dirt ingress into the fuel rail.
- Lubricate & Fit Seals: Inspect Teflon combustion seals or O-rings. Coat lightly with clean motor oil (do not use grease) to avoid tearing during insertion.
- Torque to Factory Specification: Hand-thread bolts evenly. Tighten mounting fasteners to 13 N-m (115 lb-in), and torque fuel line fittings to 30 N-m (22 lb-ft).
- Prime & Leak Check: Cycle ignition to RUN position 3 times (5 seconds each) to build low-side pressure. Inspect fittings for leaks before starting engine.
05
Chybove kody (DTC) a diagnosticke protokoly
Bezne diagnosticke chybove kody (DTC), ktere se spousteji pri opotrebeni, zavade obvodu nebo odchylce kalibrace tohoto vstrikovace common rail:
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.
DÍLENSKÉ PROTOKOLY
Technické diagnostické a servisní protokoly
Ověřené dílenské postupy, mezní hodnoty testů a servisní postupy pro tento díl.
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Číst technický protokol