Catalogo / BOSCH / 0261520215
BOSCH

0261520215

Vedi Specifiche
SolenoidMercedes-Benz CGI Stratified Charged Gasoline InjectionEuro 56

BOSCH 0261520215 Pompa Alta Pressione Mercedes C250 E250 1.8L M271 EVO CGI

Dati tecnici di riferimento per iniettore Common Rail Bosch 0261520215 · OEM A2710702201, 2710702201, A2710703501, 2710703501, A2710703701, 2710703701, 0261520216 · Applicazione Mercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)
RIFERIMENTO OEA2710702201, 2710702201, A2710703501, 2710703501, A2710703701, 2710703701, 0261520216
VALVOLA DI CONTROLLOIntegrated Pulse-Width Modulated Electric Spill Valve (SCV)
POLVERIZZATORE-
PRESSIONE RAIL140 bar
NORMATIVA EMISSIONIEuro 5 / Euro 6
GARANZIA12 Mesi
01

Iniettori Compatibili

Rif. OEM
02

Applicazioni Veicolo e Motore

VeicoloMotoreAnni
Mercedes-Benz C-Class W204 C250 CGIMercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2009-2014
Mercedes-Benz E-Class W212 E250 CGIMercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2009-2016
Mercedes-Benz SLK-Class R172 SLK250Mercedes-Benz M271 EVO (1.8L CGI Turbo M271.820 / M271.860)2011-2016
03

Specifiche Tecniche

SpecificaValore
Tipo di sistemaBosch HDP-5 Mechanical Direct Injection High Pressure Pump
Pressione di esercizioSpecifica Chiave
Actuation MechanismExhaust Camshaft Twin-Lobe Mechanical Driven
Mounting Flange Torque12 N·m M6 Fasteners
High Pressure Line Torque28 N·m Flare Nut
Valvola di comandoSpecifica Chiave
Codici guasto tipiciP0087 (Rail Pressure Low), P0171 (System Lean Bank 1), P0172 (Fuel Dilution Rich)
Workshop PrecautionInspect engine oil smell and level before replacing to prevent bearing damage from fuel dilution
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Istruzioni di montaggio

  1. [
  2. {
  3. "step": 1,
  4. "title": "Depressurize Fuel Rail & Isolate High-Pressure Circuit",
  5. "instruction": "Pull fuel pump relay in rear fuse box and crank engine for 10 seconds. Verify scan tool low pressure fuel reading falls under 5 bar before cracking flare nuts."
  6. },
  7. {
  8. "step": 2,
  9. "title": "Inspect Engine Oil for Fuel Dilution",
  10. "instruction": "Pull oil dipstick. If oil level is elevated or smells strongly of gasoline due to internal plunger seal blowby, schedule immediate oil and filter change."
  11. },
  12. {
  13. "step": 3,
  14. "title": "Clean Cylinder Head Bore & Lubricate O-Ring",
  15. "instruction": "Clean mounting bore on cylinder head. Coat new Viton O-ring with clean engine oil. Never use silicone sealant on flange face."
  16. },
  17. {
  18. "step": 4,
  19. "title": "Torque Flange Fasteners Alternately",
  20. "instruction": "Position pump on cylinder head while camshaft is at base circle. Thread mounting bolts hand-tight, then torque alternately to 12 N\u00b7m."
  21. },
  22. {
  23. "step": 5,
  24. "title": "Connect High-Pressure Hard Line & Torque",
  25. "instruction": "Align high-pressure hard line square into pump discharge port. Finger-tighten fitting, then secure flare nut to exactly 28 N\u00b7m."
  26. }
  27. ]
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 Tecnici di Diagnosi & Assistenza

Procedure d'officina verificate, valori soglia di test e linee guida operative per questo assieme.

DIAGNOSI COMMON RAIL IN OFFICINA

Diagnosi Pompa Alta Pressione: Codice P0087 e Bosch CP4

Diagnosi pompa alta pressione common rail: depressione, limatura CP4, usura pompanti, infiltrazioni aria e P0087 avviamento a caldo. Guida officina.

Leggi il protocollo tecnico
DIAGNOSTICA COMMON RAIL D

Diagnosi Valvola Dosatrice IMV SCV ZME & Test P0088

Guida alla diagnosi della valvola dosatrice IMV / SCV / ZME: normalmente aperta vs chiusa, resistenza bobina, ciclo PWM e codici errore P0088 / P0089.

Leggi il protocollo tecnico
PROTOCOLLO DIAGNOSTICO OBD-II

Guida alla diagnosi del codice P0087: Bassa pressione rail

Protocollo diagnostico d

Leggi il protocollo tecnico
DIAGNOSI D

Diagnosi valvola limitatrice pressione rail: P0087 e avvio

Guida al test della valvola limitatrice di pressione common rail (DBV/PRV). Cause di mancato avvio a caldo, caduta di pressione P0087 e prova di reflusso.

Leggi il protocollo tecnico