寒流來襲車速降低 - 機車
By Kelly
at 2017-12-20T07:57
at 2017-12-20T07:57
Table of Contents
前幾天還留剛到的時候,不知道為什麼車速感覺降低很多
有爬文說可能是ECU的問題,但我覺得這答案無法說服我..
因為ECU不是控制噴油量嗎? 可能的sensor是油門(握把)的轉動幅度、尾氣成分及車速
應該跟天氣冷無關吧..
況且我還看到有人說天氣越冷車越有力...
我本來想說是胎壓,昨天去打氣後,速度有上來一點點,但還是沒有到寒流來之前的狀態
(根據理想氣體方程式PV=nRT,溫度下降胎壓下確實會下降)
還有猜是溫度低機油黏度上升,但機油溫度應該很快就可以上來,不會差到太多才是
請問版上的大大對這問題有解嗎?
--
有爬文說可能是ECU的問題,但我覺得這答案無法說服我..
因為ECU不是控制噴油量嗎? 可能的sensor是油門(握把)的轉動幅度、尾氣成分及車速
應該跟天氣冷無關吧..
況且我還看到有人說天氣越冷車越有力...
我本來想說是胎壓,昨天去打氣後,速度有上來一點點,但還是沒有到寒流來之前的狀態
(根據理想氣體方程式PV=nRT,溫度下降胎壓下確實會下降)
還有猜是溫度低機油黏度上升,但機油溫度應該很快就可以上來,不會差到太多才是
請問版上的大大對這問題有解嗎?
--
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機車
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