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Sedans Lexus LS 400/LS 430 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
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Replying to: mheni1 (Jul 05, 2008 3:15 am) Did you still have good/strong airflow from the system during the early part of that hour or so...?? If not then the airflow was being blocked by the iced over evaporator. There is a thermistor mounted right against the downstream side of the evaporator so the ECU will/should never drive the evaporator temperature below freezing. But, believe me, it does still happen. The HVAC firmware, as a remedial/recovery measure, may prevent the use of the recirculate mode or the floor/footwell airflow modes until the next time teh ignition is switched on. I have only had the LS400 A/C shut down in the manner you describe, once in our 92 LS400 while traveling west out of Helena MT, and then in my brother's 92 LS400 traveling north into OR from the mountainous regions of northern CA. While I suspected evaporator freeze up in both instances I did not think to check for airflow on either occasion. So the A/C shutdown may have been the result of the extra climbing load on the engine and therefore coolant "threatening" to overheat.
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Replying to: wwest (Jul 06, 2008 1:28 pm) Thanks for your contributions. Renny |
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| I have a 1991 LS400 with 209k on it. I have a slight engine skip when speed is held steady between 40 and 50mph. No skip at any other speed. I used fuel injector cleaners, use only premium gas and really follow all maintenance schedules. Any advice, suggestions? | |
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Replying to: nvbanker (Jul 01, 2008 7:25 am) My thanks also to those that run this "chat". |
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| I recently purchased an '06 LS430 and while washing it this weekend noticed that 2 of the wheels are peeling. Has anyone else experienced this and what can I do to restore the finish? | |
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I have a 2001 LS430 with 79k miles. I purchased 7yr/100k warranty. Warranty runs out mid Nov and I want to make sure that all items that need repair under warranty are identified and corrected. I'm not mechanically inclined. Am going to take car to local Lexus dealer and ask him to check out thoroughly. Will appreciate your thoughts on items/concerns to pay particular attention to during this Lexus checkout. Thanks so much for your input.
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Replying to: mheni1 (Aug 23, 2008 3:09 am)
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Replying to: nvbanker (Aug 24, 2008 3:25 pm) And any Lexus dealer worth their salt (wanting to transfer more funds from your account to theirs) will insist on replacing the water pump (absolutely NEEDLESSLY) at the same time.
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Replying to: wwest (Aug 25, 2008 8:07 am) 
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Replying to: nvbanker (Aug 25, 2008 9:07 am) But the answer is that while I don't really think so the fact is I don't know if "my" generation of LSes has interference engine.
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