Get the spark plugs out and observe

I bet they will be oilly.  If so, you may need to change the valve stem seal. 

I do not think the head gasket has any problem, or your GPM will drop dramatically.

所有跟帖: 

看來班頭定性是老缸磨損,那就不折騰了.等合適的時候給和諧掉~~ -滿地找牙- 給 滿地找牙 發送悄悄話 滿地找牙 的博客首頁 (41 bytes) () 04/06/2011 postreply 10:52:40

應該是老頭磨損 -triangle- 給 triangle 發送悄悄話 (0 bytes) () 04/06/2011 postreply 11:14:01

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