Is it lacking power, even struggling on uphill roads? Is this common or is there a specific reason?

My 2012 C30 has been driven for 78,000 kilometers. Now, when I drive, the 2nd and 3rd gears feel jerky and lack power. What could be the reason?

What could cause a 2019 Toyota 4Runner to feel like the transmission is slightly vibrating or lacking lubrication when accelerating uphill?

Peugeot 206 automatic. Exhaust pipe leaking oil and emitting white smoke. The car can move on flat roads but the engine shakes. It lacks power going uphill. What's going on?

I have a 2012 model with a 1.3 engine. Do you guys also experience a lack of power when climbing hills? Even when I press the accelerator hard, it feels like it's struggling.

I'm 21 and even struggling to buy a car for 100,000.

Hey car enthusiasts! For the 2017 MG GS 30T, if you're finding that the car lacks power when starting without using the accelerator, what could be the reason?

Is it lacking power, even struggling on uphill roads? Is this common or is there a specific reason?

Is the MG car lacking power when going uphill? Does it jerk in second gear? Is this common?

Are you also struggling with whether to buy the one with the strongest power and 702 km range, or the one with 900 km range but slightly weaker power?

Is the lack of power when going uphill and the rise in RPM without an increase in speed in your fuel-powered Song Plus due to a spark plug issue? It's only driven 19,000 kilometers.