: J& r% c x7 L' V0 C/ Y B油箱盖拧不紧会导致燃油蒸汽泄漏,燃油蒸汽的绝大部分是碳氢化合物(hc),对臭氧层有极大并不可逆转的危害,所以各国政府对hc的排放都进行严格的立法控制,汽车工业也不例外。油箱盖拧不紧本来根本不会影响车辆的驾驶和性能,但政府强制制造商把燃油蒸汽泄漏( 换句话说就是油箱内部真空值过低)作为威胁环境安全的因素,要求驾驶人尽快进行维修,所以个状况必须点亮check engine light。
THE SENSOR SHOULD BE CHANGED. IT WILL COST YOU $120. IF YOU DON'T CARE, JUST LEAVE IT LIGHT ON.: y: T& m. a i& i- X5 J0 h- o3 e% y
fourbro 发表于 2010-2-26 23:54
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It is only 2.5 years old, I don't think need to change it. 8 e6 F* u* o9 V- K& O, d8 P5 H# f But ,thanks anyway