BOSCH
A2820700001
Voir les spéc.
SolenoidMercedes-Benz / Renault Alliance 250 Bar Direct Injection SystemEuro 6330
BOSCH A2820700001 Pompe Haute Pression Mercedes Classe A CLA Renault 1.3 TCe
Plateforme moteur:Mercedes-Benz M282 / Renault-Nissan H5Ht HR13DDT (1.3L Turbo) →
RÉFÉRENCE OE
16630-7214R, 16630-6F60A, 0261520443SOUPAPE DE COMMANDE
Integrated High-Speed Digital Flow Control ValveNEZ D'INJECTEUR
-PRESSION DE SERVICE
250 barNORME ANTIPOLLUTIONEuro 6d / Tier 3 Bin 30
GARANTIE12 Mois
02
Compatibilité véhicules et motorisations
| Véhicule | Moteur | Années |
|---|---|---|
| Mercedes-Benz A-Class W177 A200 | 1.33L Turbo M282 120kW | 2018-2023 |
| Renault Megane IV 1.3 TCe | 1.3L TCe H5Ht 103kW | 2018-2023 |
| Nissan Qashqai II 1.3 DIG-T | 1.3L HR13DDT 118kW | 2018-2023 |
03
Spécifications techniques
| Spécification | Valeur |
|---|---|
| Type de système | Bosch HDP5 Compact Mechanical High Pressure Fuel Pump |
| Pression de serviceSpéc. clé | |
| Actuation Type | Exhaust camshaft eccentric cam profile driving compact plunger |
| Mounting Flange Bolt Torque | 10 N·m (flanged Torx screws tightened progressively) |
| High Pressure Pipe Torque | 26 N·m Flare Nut Connection |
| Résistance électrique solénoïde | 9.5 - 12.0 Ω at 20°C (ECU digital metering valve) |
| Codes défauts fréquents | P0087 (Fuel Rail Pressure Too Low), P0088 (Rail Pressure Too High), P0001 (Fuel Volume Regulator Circuit) |
| Workshop Precaution | Clean high pressure pipe flared ends thoroughly; replace intermediate sealing ring to avoid micro-leaks |
04
Conseils de montage
- [
- {
- "step": 1,
- "title": "Vent High Pressure Rail & Remove Engine Cover",
- "instruction": "Depressurize fuel injection system using diagnostic tool or fuel pump fuse isolation. Remove plastic acoustic engine top cover."
- },
- {
- "step": 2,
- "title": "Disconnect Fuel Delivery Lines & Solenoid Plug",
- "instruction": "Unplug electrical control valve connector. Disconnect low pressure fuel feed hose clamp and undo steel high pressure line union nut (26 N·m)."
- },
- {
- "step": 3,
- "title": "Unfasten Mounting Bolts & Inspect Cam Tappet",
- "instruction": "Loosen mounting bolts (10 N·m) evenly in half-turn steps. Lift off pump and inspect camshaft follower bucket for scoring or excessive play."
- },
- {
- "step": 4,
- "title": "Install New O-Ring, Torque Fasteners & Verify Sealing",
- "instruction": "Install replacement O-ring with engine oil coating. Torque mounting bolts to 10 N·m. Tighten high pressure pipe to 26 N·m. Perform engine dry crank, start and inspect for leaks."
- }
- ]
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