If the Haima S5 manual transmission shakes when starting without giving gas and runs at idle speed, what could be the reason?

What could be the reason for the idling vibration in a Nissan Sunny manual transmission? I've replaced the spark plugs, but it hasn't solved the issue.

Peugeot 206, 1.6L, automatic/manual transmission, 2006 model. The acceleration is very slow, and when you give it more gas, the RPM goes up, but the speed doesn't catch up. What's going on? Can any experts help explain this? Thanks!

What could be the reason for a Haima S5, 2016 model Enjoy Edition, not moving after shifting gears without accelerating?

The manual sunroof of the Haima S5 Youth Edition can't open. The motor is functioning properly, but it's stuck and won't move.

If the Haima S5 manual transmission shakes when starting without giving gas and runs at idle speed, what could be the reason?

I have a 2014 Haima S5 manual transmission, and it's not running smoothly. During acceleration, it feels jerky and there's a noticeable lag when shifting gears. What's causing this issue? Can any experienced drivers or mechanics help me out? 🙏🙏🙏🙏🙏

How do I adjust the average fuel consumption on a 2018 Haima S5 1.5T manual?

I'm considering getting a manual Haima S5.

What could be the reason for the Haima S5's warning light being on or flashing, and the lack of acceleration?

I have a Haima S5 with an automatic transmission, and occasionally the transmission warning light turns on. But when I press the brake, it goes off! When I try to read the error code, nothing shows up. What could be the reason?