Could also be issue with the fuel i njection system,

來源: 於 2011-05-26 11:49:41 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

buy a bottle of fuel injection system cleaner (the brand is STP), add it to your gas tank, run your engine to clean the fuel injector, see if this can fix the problem.