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396chevy

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  • Lexus Model
    ls400

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  1. Ok so here is the deal I have a 2000 LS400 and when I lock the doors {and they do lock} the marker lights flash but I don't get a "beep-beep" from the horn? Is it the same horn as the main horn because that works. What do I need to check? Also the seat memory dosn't work, key in run car not running hold # button and "set" until it beeps, well it never beeps. Everything else works, these are the only 2 things that don't. I have had the battery die a few times because of a bad alternator and a bad battery, both have since been replaced. Before it started having starting/charging/battery issues both of these functions worked. Help!
  2. Ok I tested as you suggested, car off battery hooked up 12.75V, car on at idle no load 14.04V, car on w/load 11.79V amd it looks like my power steering pump is leaking......
  3. I am curious to know the mileage of your car? I have always thought that a Lexus Alternator can go about 140,000 miles .... just for peace-of-mind I changed mine out at about 120,000 miles ..... Well in that case it may be due, It has 198K miles, previous owner did everything at the Omaha Lexus dealer and from online records It doesn't look as if its ever been changed. I am borrowing my friend fluke 88 and will do the tests curiousb suggested. I assume the tests can be preformed at idle? Thanks again
  4. Ok the first time it would not start was with a diffrent battery, and it would not turn over at all. And the % of charge goes as follows, 100=12.70 95=12.64 90=12.58 85=12.52 80=12.46 75=12.40 70=12.36 65=12.32 60=12.28 55=12.24 50=12.20 40=12.12 30=12.04 20=11.98 10=11.94
  5. Hello, I have a 2000 LS400 and this all started about a month ago. I left a dome light on all night and in the morning it would not start so I got a jump start and drove it for for about 17 hrs only shutting it off a few times. And all those time it started good. Anyway I got home and charged the battery put it in drove it around a bit parked it for a couple days and again it would not start, So I had the battery checked and it was shot. Ok so I changed the battery, correct size optima 750cca battery. Everything worked good for a while, But because I can I checked the charge of the battery 2 weeks later and it was at 75% charge {12.4V} so I charged it back up and drove it again. Ok so 2 weeks passed and it has a tough time starting this am, got it started drove it to advance auto, had them check the battery and alternator. Late I know but better late than never right?? anyway the battery was low very low 12.09V or like 35% charged and the alternator output no load was 14.08v and 11.1A and under load it was 14.11V and 10.3A the guy and his print out are telling me the charging system is fine. And there was no parasitic drain, the printout says 0.00A but a friend tested it with a fluke meter and got .006A I think, But he said that was totally fine. My question is whats going on? Shouldn't the alternator be putting out way more than 14.11 volts with a load and a mostly dead battery?? I figured I killed it driving back home a while ago, but the tests say otherwise?? I am charging the battery tonight and will have it rechecked tomorrow but I would still like your input. Thanks Pat
  6. 149 in my 2000 ls400 then it seemed to kick into neutral and the reves dropped to idle. speed limiter?
  7. Hello and i recently bought a 2000 lexus ls400 with 180k and every time i fill up my gas tank it overflows, i mean it clicks off then 1/2 sec later fuel comes spilling out? Whats going on? someone told me it is the auto shutoff valve in the filler neck but i can find any info on that? please help. thanks in advance
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