Common rail relief valve open failure 1. The amount of oil on the uphill is large, the rail pressure is easy to be low, and the pressure relief valve is not easy to open. 2. There is no sensor on the pressure relief valve for the ECU. How does the ECU judge that the pressure […]
Monthly Archives: May 2019
1, the impact of needle lift: As shown in the figure below: The blue curve shows the injection curve when the needle valve lift of the injector is 250 μm. When the needle lift is 280 μm, the injection curve will be in the state shown by the red curve.commonrailparts When the needle lift is […]
I believe that the common rail injectors and friends engaged in vehicle maintenance are no strangers to the concept of gaskets commonrailparts during normal use and repair. So what are the adjustable gaskets inside all kinds of common rail injectors? What are the functions and adjustment methods of common rail injector gaskets? In fact, the […]
Due to improper operation when installing the injector, the original good performance of the broken-out injector assembly will result in poor operation or inoperability of the diesel engine. Therefore, when installing the injector, you must pay attention to the following aspects: (1) The injector gasket should not be leaked. The purpose of the sealing […]
First, the fault judgment: Usually: the engine is found to be abnormal or insufficiently motivated. The engine is not evenly distributed at high, medium and low speeds. The rhythmic vibrating muffler emits black smoke and fires. The lack of cylinder in the engine can cause 02112860 the car to consume a lot of fuel. Black […]