BOSCH
04E127025G
Vedi Specifiche
SolenoidBosch / VW 200-bar Direct Petrol Injection (TSI/TFSI)Euro 6
BOSCH 04E127025G Pompa Alta Pressione VW Golf 7 Passat Audi A3 1.4
Piattaforma motore:Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) →
RIFERIMENTO OE
04E127025D, 0261520261, 0261520262, HPP0021VALVOLA DI CONTROLLO
Integrated Fuel Metering Solenoid Valve N290POLVERIZZATORE
-PRESSIONE RAIL
200 barNORMATIVA EMISSIONIEuro 6 / ULEV II
GARANZIA12 Mesi
02
Applicazioni Veicolo e Motore
| Veicolo | Motore | Anni |
|---|---|---|
| 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
Specifiche Tecniche
| Specifica | Valore |
|---|---|
| Pressione di esercizioSpecifica Chiave | |
| 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) |
GRUPPO CIRCUITO
Iniettori carburante abbinati (Gruppo circuito carburante)
Alimentato direttamente da questa pompa alta pressione. Verificare il flusso di recupero se la pressione rail non sale durante l avviamento.
BOSCHCorrispondenza esatta motore e telaio
04E906036ARGasoline Direct Injection (GDI) • 200 bar
🚙 Audi A3 (8V) / Q3 (8U) (CHPA)
BOSCHCorrispondenza esatta motore e telaio
04E906036EGasoline Direct Injection (GDI) • 200 bar
🚙 Audi A3 (8V) / Q3 (8U) (CHPA)
BOSCHCorrispondenza esatta motore e telaio
04E906036QGasoline Direct Injection (GDI) • 200 bar
🚙 Engine Code CHPA
BOSCHCorrispondenza esatta motore e telaio
05E906036CGasoline Direct Injection (GDI) • 350 bar
🚙 Engine Code CHPA
04
Istruzioni di montaggio
- [
- "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
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