35310-2B000
BOSCH 35310-2B000 High Pressure Fuel Injector Hyundai Accent Veloster Kia Rio Soul 1.6L GDI
0261500093, 0261500094, 35310-2B010Multi-Hole Laser Drilled Direct Injection Nozzle-150 barVehicle & Engine Fitment
Technical Specifications
| Specification | Value |
|---|---|
| Injector Type | Bosch Multi-Hole Electromagnetic High Pressure Direct Injector |
| Maximum Operating PressureCore Spec | |
| Coil Resistance | 1.2 - 1.6 Ohm at 20°C |
| Combustion Seal | Virgin Virgin PTFE Teflon Seal (Requires dedicated sizing cone) |
| Rail Mounting Bolt Torque | 12 N·m M6 Rail Screws |
| Feed Line Torque | 25 N·m High-Pressure Pipe Joint |
| Associated Trouble Codes | P0300 (Random Misfire), P0301-P0304 (Cylinder Misfire), P0172 (Rich Trim) |
| Common Failure Mode | Tip carbon clogging, overnight needle seat leakage causing morning rough idle |
| Operating PressureCore Spec |
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": "Clean Combustion Chamber Wells",
- "instruction": "Use brass bore brush and vacuum to remove all carbon crust from cylinder head injector pockets before removing old injectors."
- },
- {
- "step": 2,
- "title": "Install New Teflon Combustion Seal",
- "instruction": "Slide new Teflon seal over expansion mandrel onto injector tip. Use calibration resizing tool sleeve for 3 minutes to restore original outside diameter."
- },
- {
- "step": 3,
- "title": "Mount Injectors into Fuel Rail",
- "instruction": "Lube upper O-rings with clean engine oil. Push injectors firmly into rail cups and verify locking clips engage completely."
- },
- {
- "step": 4,
- "title": "Seat Fuel Rail Assembly into Head",
- "instruction": "Insert assembly straight into cylinder head ports. Tighten rail mounting bolts evenly to 12 N\u00b7m."
- },
- {
- "step": 5,
- "title": "Torque High Pressure Pipe & Pressure Check",
- "instruction": "Connect high pressure pipe flare nut and torque to 25 N\u00b7m. Prime system by cycling ignition 3 times; verify zero fuel leaks around seals."
- }
- ]
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.