New original Bosch injectors DLLA149S775

Bosch injectors DLLA149S775 voltage type can be divided into 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. In other words, this is a pulsating DC signal, not a noun AC, and so a class. AC concept? ± staggered called AC. Like car generator which in addition to the previous part of rectifier is basically the reach of the AC. When the nozzle clogging, poor injection, or carbon deposition nozzle gap and binders, the fuel injection quantity or atomization reach the design, only need to be cleaned. Edit this paragraph troubleshooting spray available through needle clogging dredge, dredge to warp after carefully cleaned. Needle and nozzle body large flat planar body is bad, or larger needle cylinder surface wear. If the needle valve body and the nozzle body large flat plane exposed, available chromium oxide coated on the plates were "8" shape grinding; if the needle cylinder surface wear larger needle Couples should be replaced as a pair. Bad seal needle and needle valve body seal bad, bad cause atomization nozzle or drip. This failure can be used fine of chromium oxide or toothpaste, painted in the needle end of the sealing tape, but do not applied to the cylindrical portion, and then the needle insertion needle valve body, while knocking side turn until it adheres. Grinding stone must be washed chromium oxide or toothpaste. Air passage of air in the circuit. Just the passage of air can be excluded. Oil is not normal for an overhaul of the pump. As a result of the joint pipeline leak, may seek to take a good, it does not leak. Stretch inadequate or insufficient spring force of the piston spring break. Replace the spring. Wear of piston wear piston oil. Pistons need to be replaced. 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