If the acceleration of the Teana feels weak, which area should be checked?

If the acceleration of the Teana feels weak, which area should be checked?

When the car is in D gear at idle, it feels weak (like an ant crawling), but when you press the accelerator, it becomes normal. In reverse gear, it doesn't move at all unless you press the accelerator. The car is a 2016 Haima S5.

Does anyone feel that the 1.6T accelerator is a bit unresponsive, especially when overtaking or accelerating quickly?

Does anyone know why the Volvo V40 T3 version feels weak during acceleration around 60 mph, and why the steering wheel shakes when lightly pressing the accelerator?

Has anyone modified their headlights? The high beams feel so weak, it's like there's no difference whether they're on or off. [Shocked]

Hi everyone, I have a 2015 GS5, 2.0. When I go above 60 mph, it feels very weak and sluggish, and I have to accelerate gradually. Is this normal?

Engine shows fault code, acceleration is weak, what could be the reason?

Hey car enthusiasts, can anyone help me out? My 2015 manual Sunny only revs up to 2000 RPM when I floor the gas pedal, and the acceleration feels weak. What could be the issue?

The accelerator feels weak, and the control arm is making a rattling noise.

Is the warm air blowing on the windshield of your LC120 also feeling weak? Is it the same for you guys?