meier Posted January 22, 2011 Share Posted January 22, 2011 On my 2008 IS 350, a loud noise persists at idle, the tech suggests it is normal, having to do with injectors that produce better fuel mileage. But to me, it is annoying, especially when passengers ask about it. Anyone else have experience with this noise and have a repair suggestion? Quote Link to comment Share on other sites More sharing options...
LEXIRX330 Posted January 22, 2011 Share Posted January 22, 2011 WELCOME TO LOC! Have you checked the oil? Quote Link to comment Share on other sites More sharing options...
NicLX470 Posted January 22, 2011 Share Posted January 22, 2011 It's normal. Both the 250 and 350 IS line have a tick at idle. This usually can only be heard exterior the car. Quote Link to comment Share on other sites More sharing options...
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