When driving the 2014 Foton Tunland 2.8S 4WD, there is a noticeable humming vibration in the cabin when the alternator speed is below 1600 RPM. However, once the engine speed reaches 2000 RPM, the humming sound disappears. Could any experts advise on what might be causing this issue?

When driving the 2014 Foton Tunland 2.8S 4WD, there is a noticeable humming vibration in the cabin when the alternator speed is below 1600 RPM. However, once the engine speed reaches 2000 RPM, the humming sound disappears. Could any experts advise on what might be causing this issue?

The clutch of my 2018 Foton Tunland E5 was recently replaced, but there's always a burning smell while driving. Additionally, there's a strange noise when I'm not pressing the clutch, which disappears when I do press it. What could be the cause of this?

2010 Changan Yuexiang, experiencing body vibration at low speed and low RPMs. The symptom disappears at higher speeds. What could be the issue? Is it the valves or are the engine mounts worn out?

Is anyone familiar with solving the issue of idle speed occasionally rising to 2000 RPM and then dropping back down on a stock MG HS? It's particularly noticeable at low speeds.

Hello everyone, could someone help me with this issue? When in Park and idling, if I rev the engine above 1600 RPM and then release the throttle, the RPM stays around 1600 for about ten seconds before it drops. This doesn't happen if I don't exceed 1600 RPM. Between 1600 and 2000 RPM, there's a noticeable jolt. Additionally, when shifting gears and slowly accelerating, there's a rattling noise between 1600 and 2000 RPM, but it disappears after 2000 RPM. Does anyone have any insights on this? I would really appreciate it. The car model is a 2016 30T two-wheel drive. Thank you very much!

When driving a manual transmission car, if you hear a rubbing noise from the engine slightly above 2000 RPM, but it disappears above 2300 RPM, what could be the reason?

Is it normal for the idle speed of a 2015 Volkswagen Touran to rise to 900 RPM when the outside temperature is below 0 degrees while the engine is warm?

When I start the car, the idle speed is around 2000 RPM, but after a while, it drops to 1500 RPM. It takes quite a long time to go down to around 1000 RPM. Does anyone know what's going on?

Hi everyone, I have a 2013 Suzuki Alto automatic. When I start and just slightly press the accelerator, the RPM quickly goes up to 2000. Even when the speed reaches 60, the RPM stays around 2000. What's going on here?

When lightly pressing the accelerator at low speeds, there's a slight jerk, and when the RPM drops below around 1100, there's a dragging feeling. What could be the problem?