twc introduce

What is a three-way catalytic converter? A three-way catalytic converter is the most important external purification device installed in a car's exhaust system, which can remove CO from the car's exhaust Harmful gases such as HC and NOx are converted into harmless carbon dioxide, water, and nitrogen through oxidation and reduction reactions. Simply put, they purify the exhaust gas. The working principle of a three-way catalytic converter is as follows: 1. When the engine exhaust gas is discharged through the exhaust pipe, due to the catalytic effect of the purifying agent in the three-way catalytic converter, the activity of C0, HC, and NOx is enhanced, leading to oxidation and reduction reactions. 2. C0 is oxidized to colorless and non-toxic C02 at high temperatures, HC compounds are oxidized to H20 and C02 at high temperatures, while NOx is reduced to N2 (nitrogen) and 02 (oxygen), thereby purifying the engine's exhaust emissions)

Method for installing a three-way catalytic converter

Method for installing a three-way catalytic converter: ① Use 8 bolts to install 2 heat shields on the new preheated three-way catalytic converter. ② Install the new gasket, protective ring, and sealing gasket onto the preheated three-way catalytic converter. ③ Use 3 bolts and 2 new nuts to install the preheated three-way catalytic converter with a tightening torque of 29N. m. ④ Use bolts and nuts to install the exhaust manifold bracket with a tightening torque of 42N. m. ⑤ Use bolts and nuts to install the No.1 exhaust manifold bracket with a tightening torque of 42N. m. ⑥ Connect the secondary oxygen sensor connector

C4 Sega introduce

On September 2, 2015, Dongfeng Citroen unveiled its mid size C4 Sega in Chengdu with the theme of "the highest level of efficiency and beauty" The C4 Sega is equipped with a dual T combination of 1.2THP.1.6THP, and the turbo will intervene at 1000 rpm. The driver can feel the power output of T power intervention by pressing the accelerator. At the same time, the vehicle is equipped with an STT engine start stop system to minimize fuel consumption, with a comprehensive fuel consumption of only 5.0 liters per 100 kilometers. The car's configuration has been upgraded again, and the entire series is equipped with a 7-inch color intelligent multimedia touch screen system as standard, as well as a one key start intelligent keyless entry system, And the Citroen Connect in car connectivity system integrates intelligent navigation, entertainment information, car security services, remote vehicle diagnosis, and in car communication. It also comes with mainstream configurations such as one click start and blind spot monitoring