整個毛病起源於第5火花塞破裂,root cause is "knock"

As I mentioned before that during periods of spark knock ( detonation ), the combustion speed increases by up to 10 times to near the speed of sound. The increased combustion speed also causes increased temperatures and pressures, which can damage pistons, gaskets, and cylinder heads, cylinder wall, etc. you should ask the guy who work on your car to check the knock control system to make sure the new engine is safe.

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I cannot figure out why knocking damages the spark plug. -QYZ- 給 QYZ 發送悄悄話 (284 bytes) () 03/22/2010 postreply 11:31:28

the plug might be wrong for this engine or knock control system -fixanycars- 給 fixanycars 發送悄悄話 fixanycars 的博客首頁 (591 bytes) () 03/22/2010 postreply 12:25:21

thanks. I have the same thought. -ganhane- 給 ganhane 發送悄悄話 (225 bytes) () 03/22/2010 postreply 12:06:43

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