Quote:
Originally Posted by qqzj
Why is that? Thanks in advance for the explanation.
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There's a mismatch between the load on the car and the power the engine outputs, the engine goes 'oh shit' and compensates by adding gas to prevent a stall lurching forward and starting a vicious cycle of speeding up and slowing down because it's trying to maintain a set idle speed. An AT will smooth this out with the torque converter but a MT has a direct mechanical connection between the wheels and engine so you either got to give it some gas or pop in the clutch.
Of the few MT cars I've driven this has always been true, reducing the lurch would involve raising the idle speed to the car can apply more consistent power, sacrificing fuel economy and comfort levels (lower idle speed is quieter). When the car warms up it can provide a stronger more consistent idle so the problem is reduced.
I may be missing something but that's my explanation.