Fuel injector 3200677 is the most critical and complex part in common rail system, and it is also the most difficult part in design and process. By controlling the opening and closing of the solenoid valve, the ECU injects the fuel in the high-pressure fuel rail into the combustion chamber with the best fuel injection timing, fuel injection quantity and fuel injection rate.
In order to achieve an effective of 3200677 injector’s fuel injection starting point and precise fuel injection quantity, common rail system uses a special fuel injector with hydraulic servo system and electronic control element (solenoid valve).
The fuel injector 3200677 is composed of an orifice nozzle which similar to traditional fuel injector, a hydraulic servo system (control piston, control metering hole, etc.), a solenoid valve, etc.
3200677 Injector’s Reasons for Not Working Normally
- There is air in the oil circuit of the engine fuel system.
- Vehicle oil pump oil supply system is not normal.
- Engine common rail system oil leakage or pressure limiting valve damage.
- There is a short circuit, cutting out and poor contact in the wiring harness connected to the fuel injector of the vehicle.
- The long-term placement of the injector causes the anti-rust oil to solidify, and the internal components are stuck or the oil holes are blocked.
Before installing, carefully check whether other components in the common rail system except the fuel injector are damaged so as to prevent the fuel injector from not working properly after being replaced
3200677 Injector’s Technical Support Obtaining Methods
（1）Injector Technical File ,visit http://shumatt.com to get the technical file.
（2）Injector Technical Videos
Facebook：Visit https://www.facebook.com/hison.li to get the technical videos,constantly follow can get more information.
YouTube：https://www.youtube.com/channel/UCByvYBx7VjV_mAfxh_Hu-aw to get the technical videos,constantly follow can get more information.
Shumatt: Visit http://shumatt.com to get the technical videos.
（3）Injector Information Query Software
TruckBook Parts EPC APP,Android/Apple App Store download and install,visit http://shumatt.com to get the download and installation tutorial
（4）Search The fuel injector test data through TruckBook Parts EPC APP.
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