16450-PPA-A01
KEIHIN 16450-PPA-A01 Vstřikovací Ventil Honda CR-V Accord 2.4L K24A1 2.0L K20A3
16450-RAA-A01, FJ484, 842-12270--3.5 barPoužití ve vozidlech a motorech
| Vozidlo | Motor | Roky výroby |
|---|---|---|
| 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 |
Technické specifikace
| Parametr | Hodnota |
|---|---|
| part_number | 16450-PPA-A01 |
| oem_reference | 16450-PPA-A01 |
| manufacturer | KEIHIN |
| system_type | Fuel Injector |
| pressure_rating | 3.5 bar (50 psi) |
| operating_temperature | -40°C to +135°C |
| flange_mount_torque | 12 N-m (9 lb-ft) |
| high_pressure_line_torque | 12 N-m (9 lb-ft) |
| diagnostic_dtc | P0171, P0300, P0301, P0172 |
| Provozní tlakKlíčový parametr |
Kompatibilní vysokotlaké čerpadlo (Sestava palivového okruhu)
Pracuje na stejném vysokotlakém okruhu Common Rail. Při poklesu tlaku (P0087) ověřte dodávku čerpadla před výměnou vstřikovačů.
Pokyny k montáži
- Depressurize the fuel system completely via diagnostic scan tool or by removing the fuel pump fuse prior to line disassembly.
- Clean all surrounding bracket areas thoroughly using residue-free brake cleaner to prevent abrasive particulate ingress.
- Inspect the mechanical camshaft lobe and roller follower or clean injector bore seating surfaces before hardware alignment.
- Install component using fresh factory O-rings or Teflon combustion chamber seals lubricated only with clean motor oil.
- Torque mounting flange fasteners in alternating increments to 12 N-m (9 lb-ft).
- Torque high-pressure hydraulic tube fittings using a calibrated flare nut wrench to 12 N-m (9 lb-ft).
- Prime low-pressure fuel circuit, cycle ignition key 3-4 times, and inspect for high-pressure hydraulic leaks before road test.
- Always replace single-use high-pressure metal fuel lines and micro-filter seals whenever disconnected.
- Verify camshaft driving lobe surfaces for scoring or flat spots before installing any mechanical pump.
- Reset long-term and short-term fuel trim adaptations via OBD-II diagnostic scanner after physical replacement.
Chybove kody (DTC) a diagnosticke protokoly
Bezne diagnosticke chybove kody (DTC), ktere se spousteji pri opotrebeni, zavade obvodu nebo odchylce kalibrace tohoto vstrikovace common rail:
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.
Technické diagnostické a servisní protokoly
Ověřené dílenské postupy, mezní hodnoty testů a servisní postupy pro tento díl.