BOSCH
A2820700001
Vedi Specifiche
SolenoidMercedes-Benz / Renault Alliance 250 Bar Direct Injection SystemEuro 6330
BOSCH A2820700001 Pompa Alta Pressione Mercedes Classe A CLA Renault 1.3 TCe
Piattaforma motore:Mercedes-Benz M282 / Renault-Nissan H5Ht HR13DDT (1.3L Turbo) →
RIFERIMENTO OE
16630-7214R, 16630-6F60A, 0261520443VALVOLA DI CONTROLLO
Integrated High-Speed Digital Flow Control ValvePOLVERIZZATORE
-PRESSIONE RAIL
250 barNORMATIVA EMISSIONIEuro 6d / Tier 3 Bin 30
GARANZIA12 Mesi
02
Applicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| 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
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Tipo di sistema | Bosch HDP5 Compact Mechanical High Pressure Fuel Pump |
| Pressione di esercizioSpecifica Chiave | |
| 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 |
| SOLENOID RESISTANCE | 9.5 - 12.0 Ω at 20°C (ECU digital metering valve) |
| Codici guasto tipici | 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
Istruzioni di montaggio
- [
- {
- "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
Codici Guasto (DTC) e Protocolli Diagnostici
Codici guasto diagnostici (DTC) comuni generati quando questo iniettore common rail presenta usura, problemi ai circuiti o scostamenti:
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.
PROTOCOLLI OFFICINA
Protocolli Tecnici di Diagnosi & Assistenza
Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.
DIAGNOSI COMMON RAIL IN OFFICINA
Leggi il protocollo tecnicoDiagnosi Pompa Alta Pressione: Codice P0087 e Bosch CP4
DIAGNOSTICA COMMON RAIL D
Leggi il protocollo tecnicoDiagnosi Valvola Dosatrice IMV SCV ZME & Test P0088
PROTOCOLLO DIAGNOSTICO OBD-II
Leggi il protocollo tecnicoGuida alla diagnosi del codice P0087: Bassa pressione rail
DIAGNOSI D
Leggi il protocollo tecnico