engine knock
04-25-09, 02:46 AM
#1
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engine knock
k so just tonight i noticed something different on cold start up. A brief knock when starting up cold. I know there is a tsb for this but i was wondering how many of you IS350 owners have this problem. 
04-25-09, 05:32 PM
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So far it only happened twice out of many cold starts. Humm i guess i will have to wait longer and see if it gets worse. No sense bringing it in if it does not happen to them. 
04-26-09, 10:46 PM
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YES i have that problem too and mines is an 2008 is350 and it does have that engine knock/rattle randomly like couple times every week, but i still didnt bring it in to lexus yet but i sure will soon.and yes alot of the lexus IS owners have the same problem heres a video that i found on the lexus forums this is the knocking/rattle sound that another LEXUS IS owner had just like alot of them out there http://www.youtube.com/watch?v=Zj3xm-LhWqs
Last edited by bronz; 04-26-09 at 11:14 PM.
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