Possible causes --

来源: 于 2020-07-24 12:28:49 [旧帖] [给我悄悄话] 本文已被阅读：次
Car runs rough in warm weather
Well, there is an ignition problem that can cause this when the engine gets hot and it stalls. It's caused by a lack of spark which can be either the ECU's fault (on EFI cars), or the coil on pretty much any car. Heat causes expansion.