05E906036C
BOSCH 05E906036C High Pressure Fuel Injector VW Golf Mk8 Tiguan Audi A3 1.5 TSI EA211 Evo 0261500585
05E906036Q, 05E906036F, 0261500585, 02615008105-Hole Laser Micro Orifice Solenoid Nozzle5-hole asymmetrical laser-drilled micro orifices optimized for Miller cycle350 barVehicle & Engine Fitment
| Vehicle | Engine | Years |
|---|---|---|
| Volkswagen Golf Mk8 | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2019-2024 |
| Audi A3 8Y Sportback | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2020-2024 |
| Volkswagen Tiguan II | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2018-2024 |
Technical Specifications
| Specification | Value |
|---|---|
| System Type | Bosch HDEV6 350-bar Ultra-High-Pressure Gasoline Direct Injector |
| Operating PressureCore Spec | |
| Nozzle DesignCore Spec | |
| Fuel Rail Bolt Torque | 10 N·m (rail mounting bolts to cylinder head) |
| High Pressure Line Torque | 25 N·m (high pressure connecting pipe union) |
| Actuator Resistance | 1.5 - 1.9 Ω at 20°C (ultra-fast solenoid actuation) |
| Common Fault Codes | P0171 (System Too Lean Bank 1), P0300 (Random Misfire), P0301-P0304 (Cylinder Misfire) |
| Workshop Precaution | Clean carbon deposits from injector bores in cylinder head before fitting new Teflon combustion seals |
Matched High-Pressure Fuel Pump (Fuel Circuit Assembly)
Operates on the same high-pressure rail circuit. When troubleshooting low rail pressure (DTC P0087), verify pump volumetric delivery before replacing injectors.
Installation Tips
- [
- {
- "step": 1,
- "title": "Release Fuel Rail Pressure & Disconnect Battery Negative",
- "instruction": "Depressurize 350-bar fuel system using VCDS/ODIS diagnostics or fuel pump fuse isolation. Unbolt intake manifold pressure pipe."
- },
- {
- "step": 2,
- "title": "Remove High Pressure Fuel Rail & Electrical Plugs",
- "instruction": "Disconnect electrical wiring connectors from each injector. Loosen the high pressure supply line flare nut (25 N·m) and remove fuel rail retaining bolts (10 N·m)."
- },
- {
- "step": 3,
- "title": "Pull Injectors & Install Replacement Teflon Radial Seals",
- "instruction": "Extract injectors using puller kit T10133C. Clean carbon crust from combustion tip ports. Install new Teflon combustion chamber seal ring using assembly cone."
- },
- {
- "step": 4,
- "title": "Reinstall Rail Assembly & Torque Connections to Spec",
- "instruction": "Seat injectors square into cylinder head bores. Torque rail bolts evenly to 10 N·m. Tighten high pressure line union to 25 N·m. Perform leak check under high pressure."
- }
- ]
Diagnostic Trouble Codes & Fault Protocols
Common diagnostic trouble codes (DTCs) triggered when this common rail injector experiences wear, circuit faults, or calibration drift:
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.
Technical Diagnostic & Service Protocols
Authoritative field procedures, diagnostic testing thresholds, and service SOPs for this assembly.