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LS - 4th Gen (2007-2017) Discussion topics related to the current flagship models LS460, LS460L and LS600H

Diesel-like noise in Idle

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Old 07-29-24, 05:15 PM
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sktn77a
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Originally Posted by superdenso
I can stack the .champagne glasses on my 07 LS sans the 145mph. There is nearly no noise and no hesitation; you can barely tell it's running. Try the economical things before you get the dealer involved (i.e. fuel treatment and better oils). More importantly, put these LS's on the open road/they were built to run.
Someone's been drinking the KoolAid!
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Old 07-29-24, 06:11 PM
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Originally Posted by sktn77a
Someone's been drinking the KoolAid!
Or...........



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Old 07-29-24, 06:21 PM
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Originally Posted by Striker223
The 2.0 is worse, the 4.0 is quieter when warm and hood closed is quieter than a 460
Not the few that I've seen but maybe there were other issues.
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Old 07-29-24, 06:23 PM
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Originally Posted by Gerf
Not the few that I've seen but maybe there were other issues.
If the PCV is going they are LOUD so maybe that's what you heard? It's not quiet on first start at all, only when warm does it calm down dramatically
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