A2740901429
BOSCH A2740901429 Högtrycksbränslepump Mercedes-Benz C300 E300 GLC300 2.0T M274
2740901429, A2740900050, 2740900050, A2740900650, 2740900650, 0261520215, HPP0021--200 barPassande fordon & motorer
| Fordon | Motor | Årsmodell |
|---|---|---|
| Mercedes-Benz C-Class W205 (C200 / C300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2014-2020 |
| Mercedes-Benz E-Class W213 (E200 / E300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2016-2020 |
| Mercedes-Benz GLC-Class X253 (GLC260 / GLC300) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2015-2020 |
| Mercedes-Benz CLA-Class C117 (CLA250) | Mercedes-Benz M270 / M274 (1.6L & 2.0L BlueDIRECT Turbo) | 2013-2019 |
Tekniska specifikationer
| Specifikation | Värde |
|---|---|
| SKU-nummer | A2740901429 |
| Fabrikat / Märke | BOSCH |
| manufacturer_code | 0261520215 |
| pressure_rating | 200 bar (2900 psi) |
| torque_flange | 20 N-m (15 lb-ft) |
| torque_line | 27 N-m (20 lb-ft) |
| engine_family | Mercedes-Benz 2.0L Turbocharged DOHC M274.920 / M270.920 |
| ArbetstryckHuvudspec. |
Matchande bränsleinjektorer (Bränslekretsmontering)
Matas direkt från denna högtryckspump. Kontrollera returflödet om railtrycket inte byggs upp vid start.
Felkoder (DTC) och Diagnosprotokoll
Vanliga diagnosfelkoder (DTC) som aktiveras nar denna common rail-injektor uppvisar slitage, kretsfel eller kalibreringsavvikelse:
Fuel Rail / System Pressure Too Low
Excessive internal backleak from worn control valve seats drops common rail pressure below target under engine load.
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.
Cylinder Misfire & Balancing Deviation
Carbon-clogged nozzle spray holes or missing IMA calibration causes uneven cylinder contribution. Recode ECM and verify washer seating.
Fuel Rail / System Pressure Too High
Spill line backpressure or stuck metering valve prevents rail depressurization, creating overpressure risks under load.
Tekniska Diagnos- och Serviceprotokoll
Verifierade verkstadsrutiner, testgränsvärden och serviceinstruktioner för denna komponent.