BOSCH
04E127025G
Voir les spéc.
SolenoidBosch / VW 200-bar Direct Petrol Injection (TSI/TFSI)Euro 6
BOSCH 04E127025G Pompe Haute Pression VW Golf 7 Passat Audi A3 1.4
RÉFÉRENCE OE
04E127025D, 0261520261, 0261520262, HPP0021SOUPAPE DE COMMANDE
Integrated Fuel Metering Solenoid Valve N290NEZ D'INJECTEUR
-PRESSION DE SERVICE
200 barNORME ANTIPOLLUTIONEuro 6 / ULEV II
GARANTIE12 Mois
02
Compatibilité véhicules et motorisations
| Véhicule | Moteur | Années |
|---|---|---|
| Volkswagen Golf Mk7 / Jetta / Passat / Tiguan | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2013-2020 |
| Audi A3 8V / Q3 8U | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2013-2019 |
03
Spécifications techniques
| Spécification | Valeur |
|---|---|
| Pression de serviceSpéc. clé | |
| Pump Technology | Single Plunger Mechanical Camshaft-Driven HPFP |
| Flow Control | Integrated Solenoid Fuel Metering Valve (N290) |
| Mounting Flange Torque | 20 N·m |
| High Pressure Line Torque | 27 N·m |
| Drive Type | Intake Camshaft Tri-Lobe Drive with Roller Tappet |
| Fuel Type | Gasoline / Premium Unleaded Direct Injection |
| OE Cross References | 04E127025G, 04E127025B, 04E127025D, 0261520261, 0261520262 |
| Failure Symptoms | Long crank on warm engine, P0087 low rail pressure, hesitation under load, limp mode |
| Diagnostic Test | Measure LPFP lift pressure (4-7 bar) vs HPFP peak rail pressure (140-200 bar) |
ENSEMBLE SYSTÈME
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.
BOSCHCorrespondance moteur & châssis exacte
04E906036ARGasoline Direct Injection (GDI) • 200 bar
🚙 Audi A3 (8V) / Q3 (8U) (CHPA)
BOSCHCorrespondance moteur & châssis exacte
04E906036EGasoline Direct Injection (GDI) • 200 bar
🚙 Audi A3 (8V) / Q3 (8U) (CHPA)
BOSCHCorrespondance moteur & châssis exacte
04E906036QGasoline Direct Injection (GDI) • 200 bar
🚙 Engine Code CHPA
BOSCHCorrespondance moteur & châssis exacte
05E906036CGasoline Direct Injection (GDI) • 350 bar
🚙 Engine Code CHPA
04
Conseils de montage
- [
- "Disconnect 12V battery and relieve high-pressure fuel system residual pressure via scan tool or low-pressure port.",
- "Disconnect electrical connector from fuel metering valve N290 and unthread low-pressure feed hose.",
- "Counter-hold fitting and loosen high-pressure steel rail flare nut using a flare nut wrench.",
- "Evenly back out the two M6 mounting bolts half a turn at a time to prevent uneven spring tilting pressure.",
- "Inspect roller tappet in the cylinder head bore for scuffing, flat spotting, or excessive play; replace if worn.",
- "Lubricate new O-ring with clean motor oil, seat pump squarely, and torque mounting bolts alternately to 20 N·m.",
- "Hand-thread high-pressure line flare nut until seated, then torque precisely to 27 N·m; reconnect N290 plug.",
- "Cycle ignition to pressurize low-pressure circuit, verify zero fuel leaks around fittings, and clear stored DTCs."
- ]
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.
DIAGNOSTIC COMMON RAIL D
Lire le protocole techniqueDiagnostic Pompe Haute Pression: Code P0087 & Bosch CP4
DIAGNOSTIC COMMON RAIL D
Lire le protocole techniqueDiagnostic Régulateur Débit IMV SCV & Test P0088 CR
PROTOCOLE DE DIAGNOSTIC OBD-II
Lire le protocole techniqueGuide de diagnostic P0087 : Pression de rampe trop basse
DIAGNOSTIC TECHNIQUE COMMON RAIL
Lire le protocole technique