Baotou beiben heavy truck parts injector fault will directly lead to the engine abnormal phenomenon, the engine fuel injector fault:
(1) black smoke from the exhaust pipe;
(2) each cylinder does not work evenly, the engine produces obvious vibration phenomenon;
(3) engine power down, vehicle running weak.
In order to judge engine injector fault, can make the engine idle operation, in turn for each cylinder oil break test. When a cylinder stop oil supply, pay attention to check the engine work and sound. If the broken oil, exhaust no longer take black smoke, engine speed change, that is, the cylinder injector fault.
Remove engine injector fault diagnosis accurately after demolition of Baotou beiben heavy truck parts unloading injector, check the fuel injector on the check table. Faults generally have the following:
(1) fuel injection pressure is too low;
(2) fuel injection does not spray, or obvious oil flow down shooting;
(3) the fuel spray holes of different lengths, oil is not uniform;
(4) oil injection nozzle drop;
(5) the nozzle needle stuck, burn.
After the above situation, should be removed injector repair. If the damage is serious should be replaced. The reason of failure is the main nozzle and the oil filter, such as low-grade diesel, filter cleaning, do not change the long-term use is not caused, it is recommended that you use a standard diesel vehicle, every time a cleaning Baotou beiben heavy truck diesel filter, two diesel filter replacement, cleaning the tank regularly.