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2002 Lexus es 300 i...
 
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2002 Lexus es 300 idle problems

  

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I have a automatic 120k miles 2002lexus es 300. When parked idel is fine, when driving idea is fine but when at stop lights it has a intermittent rough idel with a single noticeable shake and goes back to normal and if at a long light another shake shortly after. I have no check engine lights as of now. Any things I should be looking at?


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Well it has no codes so I would say change the spark plugs first if it's misfiring and shaking like that could be as simple as a worn out spark plug and really if one is worn I'd replace


All plugs and ignition coils have been replaced about 2 months ago.


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