Why is the low torque of the car smaller after the modification of the high flow and large intake mu

Because the air intake volume is large, the fuel injection volume does not change, and the mixing ratio becomes thinner, so the low speed is weak, but the middle and late stages and the top speed acceleration will be improved. The misunderstanding of modification is to only change the short board, like the bucket effect.

The details are as follows: Resolution Status:

1. Engine failure.

The phenomenon of not starting may be that the ignition switch is turned on and the engine does not have any signs of starting, the starter is loud but cannot rotate, the starter can turn but cannot move the engine, or the engine can be driven by the starter but cannot start. Difficulty in starting may be the slow rotation of the engine, or the uneven sound when the engine rotates. Starting difficulties may occur in freezing weather or very hot weather, or at room temperature, or it may be difficult to start a cold car for the first time, and it may start normally when the car is hot.

These phenomena are related to the main injector, cold start injector, temperature control switch.

The ECU and the control circuit are not working well, the battery is losing power, the igniter or pulse generator is damaged, and the fuel is not supplied with oil or the oil supply is abnormal. For automatic transmission cars, failure to start may be due to the wrong position of the transmission handle.

2. Automatic transmission failure.

There is slow acceleration, large impact during automatic shifting, high oil temperature, no high-speed gear, no start, gear handle can not be changed, etc. In addition to the failure of parts caused by long-term use, most failures of automatic transmissions are caused by untimely maintenance adjustments.

3. Steering wheel swing or steering wheel.

Pendulum. When the car is driving, the direction is unstable and the head swings back and forth or the steering wheel trembles. It is due to the large deflection of the steering wheels, the dynamic imbalance of the steering wheels, the loose parts of the steering mechanism, the inaccurate alignment of the front wheels, and the power steering hydraulic system.

air intake and other reasons.

4. Brake failure.

When braking is used while driving, the car cannot slow down or stop; After one or more successive braking, the braking suddenly does not work. The cause of the failure may be oil or air leakage in the brake line, rupture or detachment of the pipe joint, failure of the brake sealing element, etc.

5. The wipers are out of order.

It is manifested as the wiper does not work or works weakly, the swing range and swing angle are incorrect, the speed change speed is not obvious or the speed cannot be controlled, etc. It is related to the failure or misalignment of mechanical parts such as wiper motors, speed switches, and wiper swing levers.

If the intake and exhaust changes are not tested, it will have an impact [If the car has a problem, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

There are many ways to improve the power of the car, the easiest way is to modify the car's air intake system, so what is the impact of the modified air intake system on the vehicle? Next, let me popularize the knowledge of car intake modification.

Advantages and disadvantages of modified air intake.

Retrofitting the air intake system is usually done by replacing a high-efficiency, high-flow air filter filter. Modified air intake can reduce the drag of the engine intake and improve the efficiency of the engine, so as to achieve the effect of improving the power of the vehicle. However, the modification of the air intake system is not perfect, and the modification of the air intake system will reduce the intake inertia, resulting in weakness at low speeds and increased fuel consumption.

Therefore, if you want to modify the air intake, these are all things to consider.

Does the intake modification mushroom head hurt the car?

The mushroom head, also known as the high-flow air filter, is commonly known as the mushroom head because it resembles a mushroom growing in the ground. It is a filter device installed in the engine air intake system. Its main function is to filter the air and increase the air intake.

However, only the installation of a mushroom head actually has little improvement in the power of the vehicle. Moreover, the addition of mushroom heads will weaken the turbulence of the intake air, which will reduce the torque at low speed, and the filtration effect is not as good as the original factory. One of the biggest disadvantages is that it will damage the engine and accelerate the wear and tear of the internal engine, so it will damage the vehicle.

Therefore, I suggest that if the power of the vehicle is not too poor, it is better not to modify the mushroom head casually. In case the engine is damaged after modification, not only do you not enjoy the high power, but you also need to repair the car, which is too much to lose.