04E906036Q
BOSCH 04E906036Q High Pressure Fuel Injector VW Golf 7 Jetta Passat Audi A3 EA211 1.4 TSI
04E906036AF, 04E906036T, 0261500354, 0261500355Electromagnetic high-pressure solenoid needle valve-200 barVehicle & Engine Fitment
| Vehicle | Engine | Years |
|---|---|---|
| Volkswagen Golf VII 1.4 TSI | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2012-2020 |
| Audi A3 8V 1.4 TFSI | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2013-2020 |
| Volkswagen Jetta 1.4 TSI | Volkswagen / Audi EA211 1.4L & 1.5L TSI / TFSI (CZDA / CZEA / CHPA / DADA) | 2014-2022 |
Technical Specifications
| Specification | Value |
|---|---|
| System Type | Bosch HDEV5 Direct Injection Multi-Hole Gasoline Injector |
| Operating PressureCore Spec | |
| Spray Pattern | Laser-drilled multi-hole asymmetrical optimized direct spray |
| Hold-down Torque | 9 N·m Fuel Rail Clamping Bolts📐 Torque & Angle Wizard → |
| High Pressure Feed Line Torque | 27 N·m Flare Nut Connection |
| Coil Resistance | 1.5 - 2.0 Ω at 20°C (Direct peak-and-hold circuit) |
| Common Fault Codes | P0300 (Random Misfire), P0301-P0304 (Cylinder Misfire), P0171 (System Too Lean) |
| Workshop Precaution | Always install new Teflon combustion seal ring using VAG T10133 tool cones before reinstallation |
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": "Depressurize Fuel Rail & Remove Airbox Assembly",
- "instruction": "Depressurize high-pressure fuel rail. Disconnect air cleaner housing, charge air pipes, and wiring harness connectors."
- },
- {
- "step": 2,
- "title": "Remove High Pressure Rail Fasteners",
- "instruction": "Remove fuel rail clamping screws (9 N·m). Pull the fuel rail assembly straight back to extract injectors from the cylinder head."
- },
- {
- "step": 3,
- "title": "Fit New Teflon Combustion Chamber Ring",
- "instruction": "Slide new Teflon seal over T10133 installation cone. Compress the seal with calibration sleeve T10133/3 until it fits tightly in groove."
- },
- {
- "step": 4,
- "title": "Torque Rail Screws & Steel Fuel Line",
- "instruction": "Push injectors into ports. Evenly tighten rail bolts to 9 N·m. Tighten high pressure pipe flare nut to 27 N·m."
- }
- ]
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.