發表：
車主手冊因為是國外直接翻中文所製，但在台灣還是建議5千公里保養，引擎換機油的時間其實應該是以引擎運轉時間為主，在國外可能引擎轉1萬公里的時間，在台灣說不定連5千都跑不到！只要引擎在運轉，那麼機油就開始磨損了！ ...
美國福特原廠車主手冊 (請自行對號入座找符合車種與規格)
https://www.fleet.ford.com/maintenance/owners_manuals/default.asp
來找去年的FOCUS好了，請自行從上述網址連結進去，我貼的連結日後會斷連的
2010 Focus Owner Information
2010 Focus Owner Guide 3rd Printing (English)
Scheduled Maintenance Guide --> 找這一份
Warranty Guide
GENERAL MAINTENANCE INFORMATION
Maximum Oil Change Interval
最大的機油更換間隔
❑ Normal Schedule: 7,500 miles or 6 months, whichever occurs first.
正常/一般狀況：7500英浬或六個月，視誰先到
❑ Special Operating Conditions: 5,000 miles, 6 m onths, or 200 hours of engine operation, whichever occurs first see appropriate schedule on page 41.
特殊操作環境：五千英浬、六個月、或引擎運轉200小時，視誰先到
Special Operating Conditions
However, if one or more of the Special Operating Conditions outlined below better describes how you typically operate your vehicle, you will need to perform some maintenance services more often than the Normal Schedule recommends.
假如你常在下述多種特殊操作環境使用您的愛車，你將必需要比一般保養時間更加勤勞
‧ Towing a trailer or carrying heavy loads
拖車或重負載
‧ Extensive idling and/or driving at low-speeds for long distances
長時間怠速或長距離低速行駛
‧ Driving in dusty conditions
在空氣污濁的環境開車
‧ Off-road operation
越野環境操作
‧ Use of E85 fuel 50% of the time or greater (flex fuel vehicles only)
使用酒精汽油?
Important: For further details and information regarding these Special Operating Conditions see page 41.
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Page:41
SPECIAL OPERATING CONDITIONS
Extensive idling and/or low-speed driving for long distances as in heavy commercial use such as delivery, taxi, patrol car or livery
長時間怠速、長距離低速的商用、計程車、巡邏車等
Inspect frequently, service as required
更經常檢查與保養是必需的
Every
5,000 miles,
6 months or
200 hours of engine operation
每五千英浬、六個月、200小時引擎運轉時間，更換引擎機油與機油濾蕊
– Change engine oil and replace oil filter.
看自己的駕車環境是哪一種，來決定您的保養時程：
舉小弟我的例子，每天通車來回共一小時、30公里的市區通勤環境，有點接近但沒那麼離譜跟它說的特殊操作環境的
以
引擎運轉時間來計算保養時程，我的車主手冊保養計畫寫著300小時引擎運轉時間(跟FOCUS不同)
應該要第300天進場保養，亦接近10000公里，但300天超過半年滿所以半年進場一次在我的例子是我的最佳解。
原廠車冊與技術手冊是設計的依據，就看車主如何衡量了
另摘錄，台灣用車環境其實比中東還熱的症頭
Hot climate oil change intervals
If operating conditions are normal and you drive your Ford, Lincoln or Mercury vehicle under typical, everyday conditions and you are using an API performance category oil of SL or later (for example SM, etc.) then you can follow the 7,500 mile (12,000 km) normal service oil change intervals schedule.
Vehicles operating in the Middle East, North Africa,Sub-Saharan Africa or locations with similar climates must follow the oil change interval of 3,000 mile (5,000 km) if the owner is using oils defined by the American Petroleum Institute (API) performance category of API SK or earlier (for ex-ample SJ, etc.).
美國原廠車主手冊說，如果用車環境是在熱帶氣候，車是每天正常開，而且用的機油是API SL, SM，則每 7500英浬/12,000公里做正常保養即可。
如果車是在中東地區、或北非、或撒哈拉大沙漠這些靠近赤道的氣候，就必需每 5,000 km 做機油更換，假如車主是用API 早期的SJ, SK 規格的機油 