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Lexus LS 430 Engine Problems

14 messages,  Last post on Apr 29, 2009 at 5:44 PM

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What is this discussion about? Lexus LS 400, Lexus LS 430, Sedan

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#9 of 14 engine noise by kangei Nov 19, 2008 (8:33 am)
hi, am new to this; I hv a 2000 LS with 107k on it. During this cold season; when I start it up b4 it warms, it makes this continues clattering noise then a diff noise when steering. All this stops when it warms up   Any suggestions will be great
#10 of 14 Re: Gas Mileage [jerry5505] by tkalal Mar 28, 2009 (10:18 am)
Replying to: jerry5505 (Jun 01, 2007 5:46 am) In a recent trip from Dallas to Houston I got 29.1 mpg highway on cruse and in the city I get 17.2 mpg with tender gas pedal use.
#11 of 14 Losing power - help by gm1120 Apr 27, 2009 (9:08 pm)
Anyone ever experience just plain losing power while the car is running? I have a '92 LS400 with about 120,000 miles. Occassionally, it would just lose power, brought to the dealer, they can't figure out why. It happens maybe once every few months. Sometimes in stop and go traffic going at 30mph, sometimes on a freeway while going 70+ mph or going uphill from a stop sign going about 20mph. I never know when it would happen, but it seems to happen more when I park the car outside in the sun during work hours and it happens on my way home, sometimes 3 minutes after, sometimes almost an hour after I started driving. All of a sudden it would just lose power, like I don't have any gas, but I pull over and restart the engine and it goes away, but it's scary. Any help would be great! Replies to this message: vcheng (Apr 29, 2009 4:31 am) gm1120 (Apr 29, 2009 5:44 pm)
#12 of 14 Engine no Power by jerry5505 Apr 28, 2009 (6:44 pm)
I have never had that problem with my LS 430
#13 of 14 Re: Losing power - help [gm1120] by vcheng Apr 29, 2009 (4:31 am)
Replying to: gm1120 (Apr 27, 2009 9:08 pm) I think that you should get the TPS (Throttle Position Sensor) and its associated harness checked out for intermittent failure. Replies to this message: gm1120 (Apr 29, 2009 5:44 pm)
#14 of 14 Re: Losing power - help [vcheng] by gm1120 Apr 29, 2009 (5:44 pm)
Replying to: vcheng (Apr 29, 2009 4:31 am) Thanks for the response, I'll have it looked at this weekend

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