- 8/14/2024
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What is torque?
Basically, car torque is the effort that the engine exerts to generate power, for example, if there is a car with 500 HP, the engine needs a strong torque to generate this power, which is usually measured in Newton meter.
There are several reasons that lead to the weakness of the car's torque, which reflects negatively on the performance and power it produces, and the car will become slow in acceleration and responsiveness, and it's driving will be annoying and uncomfortable, especially if it has a major defect that strongly affects the work of the engine.
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Read more: Reasons why your car's engine won't start
Causes of car's poor performance
Here are the most important reasons that lead to poor car torque, which are as follows:
A very dirty air filter
If you notice that your car accelerates slowly when you press the gas pedal, whether the car is parked or moving, there is a high chance that the engine air filter is either very dirty or clogged, and this means that the engine does not get the right amount of air to work, and this will affect the torque without a doubt and will lead to increased fuel consumption as well.
Problems with the fuel system
The fuel system is responsible for starting the engine and moving the car on the road, and it is a system that contains many systems and components that ensure that the engine works perfectly, but if one of the components of this system such as the fuel filter, fuel pump, sprays, fuel injectors, spark plugs and others are damaged or damaged, it will affect the performance of the car and weaken the torque.
Damage to the airflow sensor
The air flow sensor measures the amount of air that flows to the engine in order to complete the combustion process, and if this sensor becomes to a stage where it is unable to read the data correctly, it will send it incorrectly to the car's computer or ECU, which will adjust the fuel-air ratios and this leads to using the gas pedal more to compensate for the lack of torque in addition to increasing fuel consumption.
Read more: How do I change the engine oil in my car?
Damaged oxygen sensor
The oxygen sensor is responsible for monitoring the oxygen level after the combustion process that occurs inside the engine cylinders and then sends the data to the computer, and if this sensor is damaged, its readings will be wrong and there will be an imbalance in the regulation of the air-fuel mixture, which leads to slow acceleration significantly.
Clogged catalytic converter
If the catalytic converter is damaged or clogged due to the melting of its internal parts, the process of the gasses flowing out of the car and purifying them will be more difficult, which will create pressure on the engine, which will eventually weaken the car's torque and increase fuel consumption.
Timing belt calibration
The function of the timing belt is to move the crankshaft that moves the pistons, and manage the camshaft responsible for moving the valves, that is, it is the component responsible for ensuring that all parts move in a certain pattern in order to complete the combustion process, and if the caliber of this belt is faulty, the valves and pistons may collide with each other and the engine will not be able to produce enough power for acceleration, and its torque will definitely weaken.
Engine compression failure
Each engine has a special system to control the internal pressure in it, and this system consists of vacuum hoses located in the engine, which are responsible for transporting air and fuel, and these vacuum lines allow the engine to draw air and release exhaust gasses, and if these lines or compressors are clogged or defective, there will be a slowdown in vehicle acceleration and torque.
Read more: Tips to increase engine performance
Transmission malfunction
After spending a long time working over the years, the internal parts of the automatic transmission will weaken and age, and this will lead to poor shifting and this will affect the car's torque, and if the oil is old or its quantity has decreased inside the transmission, the car's torque and speed of response to the gas pedal will be affected.
Check engine light
The appearance of the check engine light and the slow response of the car may indicate that there is a defect or malfunction that you should know immediately, by examining the car on a special device that reveals through codes the malfunction in your car, which may be the reason behind the lack of torque.
Safety mode
There are many cars that have a safety mode, and it is activated when the car's computer detects that there is an issue and then limits the speed of the car and puts it into safety mode; so that nothing big happens, especially at high speeds, and here you must examine the car directly to find out the defect and to be able to drive the car without any issues and at the speed you want.
