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Lexus LS 400/LS 430

8333 messages,  Last post on Nov 14, 2009 at 5:18 PM

You are in the Lexus LS 400/LS 430 Forum. Your Hosts are pat & karens

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

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#8300 of 8333 Re: Idle-up (device) Valve failure. [wwest] by rennybosch Aug 23, 2009 (1:06 pm)
Replying to: wwest (Aug 12, 2009 10:07 am) So Willard, let us know what happened. Also, are you actually disabling the power steering altogether? And another thing -- isn't your 92 LS400 worth $80 just to keep it happy?   Renny Replies to this message: wwest (Aug 23, 2009 2:12 pm)
#8301 of 8333 Re: Idle-up (device) Valve failure. [rennybosch] by wwest Aug 23, 2009 (2:12 pm)
Replying to: rennybosch (Aug 23, 2009 1:06 pm) I removed the PS pressure sensor and soldered the nipple, fluid pressure sensor end, SHUT.   This sensor only operates when the PS fluid pressure is quite high, say turning the wheels agains a curb or against the end stops. Rarely need the help. Power stearing operates normally otherwise, just no "idle up" in the above conditions to provide more flow/pressure.
#8302 of 8333 LS430 struts by mike9691 Aug 31, 2009 (6:11 pm)
I've searched the threads and it doesn't seem that the struts on the base suspension have caused many problems. I recently purchased an '04 with 50,000 miles (now 55,000) and I've noticed that as the suspension rebounds, the rear struts seem to have no damping. While the car was on a lift, I did look at the struts and so no evidence of leakage. The front struts seem to be fine. I am going to have the rear shock inserts replaced. My question is this. Under normal circumstances, how long should these struts last? I've seen other posts claiming over 125,000 miles. As you know, this isn't going to be an inexpensive fix, so I'm wondering if it will be okay to leave the front struts alone?
#8303 of 8333 LS Model 400/430 by bob204 Sep 29, 2009 (2:44 pm)
I am planning on buying a used LS and am concerned about gasoline octane and the fact that I have heard that one must use premium only and further that the car will not run properly without the more expensive gasoline. I am driving a Toyota Avalon and that, too, reguires premium but runs just fine with mid grade. Anybody out there to help me? Replies to this message: houdini1 (Sep 29, 2009 3:05 pm) Mr_Shiftright (Sep 29, 2009 4:39 pm) muchogusto (Sep 29, 2009 5:14 pm)
#8304 of 8333 Re: LS Model 400/430 [bob204] by houdini1 Sep 29, 2009 (3:05 pm)
Replying to: bob204 (Sep 29, 2009 2:44 pm) My 2006 LS runs just fine on regular grade. The only difference I notice is that in mainly urban driving I get around 20 mpg on regular and 22 mpg on premium. Can't really tell any other difference. I usually use prem. just for peace of mind and the better mpg. Good luck. Great cars.   One of my nicest surprises was 30 mpg on highway trips ! Not bad for a nice V-8.
#8305 of 8333 Re: LS Model 400/430 [bob204] by Mr_Shiftright HOST Sep 29, 2009 (4:39 pm)
Replying to: bob204 (Sep 29, 2009 2:44 pm) There's no reason your car won't run "properly". It might be a bit slower and you might get less mpg, but it should run fine because the car's engine management system will compensate for the lower octane.
#8306 of 8333 Re: LS Model 400/430 [bob204] by muchogusto Sep 29, 2009 (5:14 pm)
Replying to: bob204 (Sep 29, 2009 2:44 pm) I have an 05 that I routinely use midgrade fuel in with no problems or perceived degradation in fuel mileage. No apparent performance issues either, but I don't push the car. Hope this helps.
#8309 of 8333 No selling, please by pat HOST Oct 07, 2009 (5:08 am)
I'm sorry, but posts advertising anything for sale have to be removed.

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