Original Bosch injectors DLLA155S713

Bosch injectors DLLA155S713 As a matter of time cleaning, to be determined according to the quality condition and usually add fuel, in general, now most are recommended about 20,000 to 30,000 km for cleaning. Good condition, good quality fuel can be extended to about 4 to 60,000 km. When the nozzle slightly clogged, also have an impact on the condition. Sometimes such a failure: hang a block, start the car some jitter, etc. upshift during acceleration, this phenomenon disappeared, various sensors working assumption normal car, the throttle valve is also cleaned, the circuit is also normal it is likely that a slight blockage of the nozzle. But high gear acceleration, there may be mild gum has been sprayed away (dissolved), and vehicle performance resumed. Such a small plug nozzle, generally can not be cleaned. Because of minor gum can be dissolved away. Therefore, in daily driving, speed should always run a race in order to reduce the possibility of coke into line. When the poor quality of gasoline or a longer travel time of the vehicle, if long periods of cleaning fuel injectors, such clogging will worsen, resulting in poor engine fuel injection, injection angle and poor atomization, causing the engine idling, acceleration or full-load conditions at work is not good, so engine power drop, increased fuel consumption, increased pollution emissions, and even the engine is not working. Therefore, the detection nozzle carefully cleaned regularly to ensure that they work well. When do I need to clean the need for specific choices - how much of the fuel injection quantity control: the same type of EFI car, fuel pump pressure is constant, regardless of the size of the throttle opening, just after the fuel pressure regulator regulating, fuel injection pressure nozzle is always constant. And the fuel pump and injectors is the fuel pressure regulator supporting the use of strict, the pressure is only designed atomizing nozzle to achieve the best results, pressure is lower than the design pressure of the oil discharged not mist, columnar should not be mixed with air; the pressure is too large, circular cone shape discharge of oil, is not easy mixing and injection of too much power, a lot of fuel directly sprayed onto the wall, directly affect the mixing ratio parameters. Whether it is accelerating or idling, the pressure should be constant. Different models have different pressures (a friend mentioned a few block selection cleaning machines, in fact, select for different models of pressure, not the pressure to accelerate the idling different, the wrong choice of injection pressure, nozzle atomization bad). How much fuel injection amount, depending on the length of time of injection. Injector control solenoid according to different divided voltage driven and current driven two. Energized also points low resistance and high resistance, high impedance can be connected to 12V power, low resistance can only take a low voltage, wrong connection at 12V on the coil will burn a little longer. When the fuel injection, the computer provides a constant voltage, such as 12V, immediately becomes 0V, off the oil, this change is instantaneous, like a computer language which is a concept 0 and 1, with no 0.5, he said. 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