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Noisy idle

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Old Jul 11, 2007 | 12:53 PM
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Default Noisy idle

I have a new 250 with 400 miles on it now. It seems to idle noisy. I can't hear it inside but outside it seems pretty noisy. How loud is everyone else's? I was just wondering if this was normal. For a 41,000 dollar car, I thought it should quiet.
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Old Jul 11, 2007 | 12:59 PM
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yeah but those 350s probably are base.. whereas his 250 is fully loaded.. also probably the AWD.
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Old Jul 11, 2007 | 01:01 PM
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Can you describe any of the sounds?
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Old Jul 11, 2007 | 01:18 PM
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The ticking noise is caused by the direct fuel injectors, which operate at a much higher pressure than the port injectors in most other cars. Nothing to be concerned about.
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Old Jul 11, 2007 | 01:43 PM
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$41,000?? for a 250?

hope you got the happy ending
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Old Jul 11, 2007 | 02:19 PM
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seriously, i got my 350 with navi/premium/18s for 41k OTD
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Old Jul 11, 2007 | 02:32 PM
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Default Those sounds...

Originally Posted by SoddingGit
Can you describe any of the sounds?
I noticed that you guys were discussing the ticking noise coming from your motors. I'm pretty sure that Lexus is aware of it because I called them on it when I was at 1,000 miles with my 07' 350 and the master tech told me it was normal, but then again he also told me that a couple rentals have been doing it too. I found that kind of weird, but I'm just going to drive it like I stole it and hopefully if there is something wrong, it will break before my warranty is up! HAHA!

It almost sounds like an old Mercedes Diesel or maybe it even compares to the sound of the lifters. I don't know too much about Fuel Injected cars but hopefully nothing is wrong.
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Old Jul 11, 2007 | 05:21 PM
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Originally Posted by Chaser07
It almost sounds like an old Mercedes Diesel or maybe it even compares to the sound of the lifters. I don't know too much about Fuel Injected cars but hopefully nothing is wrong.
Both that old Mercedes diesel and your new IS have high pressure direct injection. Nothing is wrong, there are dozens of threads asking about this noise since the 2IS was released.
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Old Jul 11, 2007 | 06:38 PM
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The "diesel" noise is infact normal... It's unfortunate that Lexus didn't go to greater lengths to minimize the ticking.
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Old Jul 12, 2007 | 05:55 AM
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It stickered for 41,000. I didn't pay that for it. I was just stating that for that kind of money I was expecting a quiet idle. When we test drove the TL-S you could barely hear it.
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Old Jul 12, 2007 | 06:31 AM
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when you test drove the 250...did you hear it then?

did you read this forum before you bought it?

you should have heard it during the test drive, and you would have definitely read about it on here.
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