16450-R40-003
KEIHIN 16450-R40-003 Yakıt Enjektörü Honda Accord CR-V 2.4L K24Z
16450-R40-A01, FJ1045, 842-1236510-Hole Precision Multi-Dispersal Micro-Droplet Atomization Director-3.8 barUyumlu Araçlar ve Motorlar
| Araç | Motor | Model Yılları |
|---|---|---|
| Honda Accord Mk8 / CR-V | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2008-2014 |
| Acura TSX CU2 | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2009-2014 |
| Honda Civic Si | Honda 2.4L Earth Dreams & K-Series i-VTEC (K24W1 / K24W2 / K24Z / K24A) | 2012-2015 |
Teknik Özellikler
| Özellik | Değer |
|---|---|
| Sistem Tipi | Honda PGM-FI Multi-Point Programmed Electronic Fuel Injection |
| Operating Fuel Pressure | 3.8 bar (55 psi / 380 kPa regulated fuel rail pressure) |
| Static Fuel Flow Rate | 310 cc/min @ 3.5 bar (29.5 lb/hr) calibrated delivery |
| Electrical Resistance | 10.0 - 11.6 Ohms @ 20°C (High-Impedance Saturated Solenoid) |
| Spray Geometry | 10-Hole Precision Wide-Angle Multi-Orifice Micro-Atomization |
| Fuel Rail Mounting Nut Torque | 12 N·m (106 in-lb / 8.8 lb-ft) M8 flange nuts |
| Fuel Pulsation Damper Locknut | 22 N·m (16 lb-ft) threaded rail damper fitting |
| Seals Architecture | Upper Viton Fluorocarbon O-Ring & Lower Resilient Vibration Grommet |
| Manufacturer | Keihin Corporation (Tier-1 OEM for Honda Motor Co.) |
| Manufacturer Part Number | 16450-R40-003 / 16450-R40-A01 |
| Çalışma BasıncıTemel Değer |
Uyumlu Yüksek Basınç Pompası (Yakıt Devresi Grubu)
Aynı yüksek basınçlı Common Rail devresinde çalışır. Düşük basınç (P0087) teşhisinde enjektörleri değiştirmeden önce pompa debisini kontrol edin.
Montaj İpuçları
- Mandatory lower manifold cushion renewal: Never reuse hardened lower manifold rubber cushions; hardened rubber permits unmetered air intrusion, causing persistent P0171 lean codes.
- Verify injector free rotation: After torquing the fuel rail nuts, verify that each injector rotates smoothly between fingers to ensure O-rings are seated without twisting.
- Never use silicone sealants: Lubricate O-rings strictly with fresh engine oil or spindle oil; silicone will permanently contaminate lambda sensors.
- Prime fuel circuit prior to cranking: Turn ignition switch to ON (Position II) for 3 seconds twice without cranking to pressurize the rail and check for leaks.
Ariza Kodlari (DTC) ve Teshis Protokolleri
Bu common rail enjektorunde asinma, devre arizasi veya kalibrasyon kaymasi olustugunda tetiklenen yaygin ariza kodlari (DTC):
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.
Teknik Arıza Teşhis ve Servis Protokolleri
Bu parça grubu için doğrulanmış atölye prosedürleri, test eşik değerleri ve servis talimatları.