Malibu 2 0 Deluxe Edition can t speed up uphill

Hello, your fault is caused by lack of power there.

Ignition system working poorly:

The fuel injection system is faulty:

The three-way catalytic is clogged!

First check whether the ignition energy of the ignition system, ignition coil, and spark plug is normal! Then check whether the fuel injection system, the pressure of the gasoline pump is normal, whether the fuel injector is blocked, the air intake sensor, and whether the signal of the fuel injection correction sensor is normal! If it is normal, it may be that the three-way catalytic is blocked, the exhaust is poor, and there is a fault, please repair it in time, I am very happy about your problem, I hope it can help you, I wish you a happy car!

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Hello, according to our experience in repairing Malibu, the version of Malibu acceleration performance, especially the medium-speed extraction performance is not particularly good, if your car is slower than before, it is recommended that you check whether the throttle is dirty, Malibu model throttle is easier to dirty, you can check it, and at the same time check whether the spark plug has a breakdown phenomenon, similarly, the oil quality is not good will not only cause the engine to burn badly and lead to a decrease in power, but also block the three-way catalysis, which will further affect the acceleration performance of the vehicle, Personally, it is best to go to the repair station for testing, and at the same time replace it with high-quality clean fuel, I hope mine will satisfy you, and I wish you a happy car. Car questions, ask the car guru. 4S shop professional technician, 10 minutes to solve. 】

Summary. Hello, happy to answer your <>

Malibu acceleration weakness is due to the serious carbon deposition and road congestion, and the high start-stop frequency of the car, resulting in a sense of acceleration weakness when accelerating. Or the quality of the oil is relatively poor. The above is the reason why Malibu is unable to accelerate.

Malibu accelerates weakly.

Hello, happy to answer your <>

Malibu acceleration weakness is due to the serious carbon deposition and road congestion, and the high start-stop frequency of the car, resulting in a sense of acceleration powerlessness when accelerating. Or the quality of the oil is relatively poor. The above is the reason for the width of the original cover of Malibu plus branches.

Kiss <>

Expansion: Definition of carbon deposits: carbon deposits and oil pollution, etc., products generated inside the engine.

When the engine is scattered for a long time, oil, dust, and sundries are left with oil, dust, and sundries during operation. The oil sludge inside the cylinder is called carbon deposit. Carbon deposits of the engine:

During the working process of the engine, the unsaturated olefins and gum in the fuel are produced at high temperatures.

Hello, it is very normal for this revolution to occur when going down a steep slope, after going downhill, because the transmission computer detects that the vehicle is in a downhill state, the gearbox will be downshifted to increase the speed of the engine, and the engine braking is used to reduce the pressure of the braking system and alleviate the thermal decline of the brakes. There are no problems with the old holes in the upshifts and downshifts on the flat road, the engine and gearbox are normal. Otherwise, you need to clean the throttle and fuel injector and rematch the throttle to try, there is still a problem, you need to reset the computer program of the box before shifting, and re-learn the shift characteristics.

There are two reasons why it is difficult for an automatic transmission to increase its speed:

1. The engine speed cannot be raised, and the judgment method:

Park the car on flat ground, place the transmission lever in P gear, pull the handbrake, and press the accelerator pedal to check the acceleration of the engine.

If the engine speed increases slowly, or when it reaches a certain speed, it cannot be raised, the fault is caused by a problem with the engine, check whether the engine's oil supply pressure and cylinder pressure are normal, and whether the fuel injection system and various sensors are working normally.

2. Transmission failure: It may be that the friction plates in the gearbox are seriously worn or burned, or the shift valve, solenoid valve, transmission control computer and related circuits of the gearbox valve body are faulty, resulting in difficulty in upshifting and speeding up the gearbox.

The reason for the upset may be that the gearbox is damaged, or the spark plug is sent.

Automatic transmission is not completely automatic when the slope rises, the automatic transmission car in the D gear when the brakes are released, there is a certain forward torque, rely on the brake to stop the movement, and will gradually start after releasing it, so it will not retreat when the slope is gentle, but the forward torque of the idle speed can not maintain the weight of the car when the slope is steep, and it must be backward, so the method of the slope is to refuel immediately after releasing the brakes, and you can stop and move forward when the vehicle retreats for a short time, of course, the size of the throttle depends on the slope, don't over, especially when the team climbs, be careful about the distance between the front vehicles. In fact, if you try the hand gear, you will be free to use the oil to cooperate, are in the semi-clutch release before the oil start, and climb the slope can not be too close to the car, especially the spiral of the basement, to properly press the car, and wait for the car in front to stay away before catching up. Try not to stop on the slopes.

When going uphill, the D gear stalls because the slope is too steep and the D gear ratio is insufficient, so it needs to be placed in 2nd gear or even 1st gear, at this time, the transmission transmission ratio is low and the torque is large, which can overcome the weight of the vehicle when the steep slope is maintained, and the engine speed is maintained to maintain the operation without stalling.

In fact, the automatic transmission is not a D to the end, but also according to the road conditions in a timely manner, because of the working characteristics of the engine, can not meet the needs of the whole vehicle condition, so the gearbox is set, D gear can not be once and for all, the car is not afraid, familiar with it, little damage to the vehicle.

Hello, the steep slope is underpowered and releasing the throttle is of course back.