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rough idle

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2007 - 2009 Lexus LS
A member in Michigan, United States

On febuary 19th i purchased a used 2008 lexus LS 460 with 102,000 miles. Shortly after the purchase i noticed that sometimes the car would idle rough mostly at a stop light or stop sign. I have tried a few remedies ( change spark plugs, air filter, fuel injector cleaner twice and had the throttle body cleaned). Nothing seems to work, is this common to this particular year and model?

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Response from GREENKAR

2:39 am August 31, 2016

I have a 2009 LS460 and have not had any problems with engine at idel speed. The car has 56,000 MI.

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