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About clacey

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    Club Member

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  • Lexus Model
    91' LS400
  1. I've seen alot of posts regarding broken EGR pipes so I thought I'd just make a seperat post. I was able to remove mine, braze it and reinstall it in under 3 hrs total. Alot of that time was some thinking, a trip to home depot for a small oxygen tank, brazing and testing for leaks. Here is how you do it: Take a 12mm open/closed faced wrench and tie a 3'-4'string or wire to it. Trust me. Just do it. After you drop the wrench for the 4th time you will know why. You will have to do this blindly. with your hand follow the EGR pipe down until you feel the bracket that connects it to the engine. T
  2. I have a 91 LS 400. The Freon has leaked out. I took it to a shop and they did a quick scan with a UV light under the hood but found no leaks. He said that he could smell freon inside the car and thought it was leaking there. My Question: Is there any particular place inside the car that is prone to leaking? Since the Freon is gone, can I service it myself and take it to someone to refill it with R12? I have done a lot of work on the car so I am very mechanically inclined but don't have the evac equipment. The freon window under the hood has nothing in it. Thanks for your input. CL
  3. Thanks again for the post. I checked my wire but it is fine. are there any other gounds that I can check? If so, where might I find them? The issue seems to be linked to the brake lights or brake switch. All of the lights dim when the brake lights come on. It can be running or completely turned off and it still does it. Thanks, CL
  4. I have a 91 LS400 that does a similar thing. My lights do not go completely out, but they dim when I step on the brake and I hear the same clicking sound in the shifter. I would definately like to know what the problem is as well. CL
  5. What year is your car and how many miles has it been driven. I have a 1991 LS400 with 213000 miles that was getting bad mileage like this (about 10 miles per gallon) and here is what I replaced: air filter spark plugs distributor caps and rotors front oxygen sensors and cleaned the intake housing The intake cleaning helped a lot. It was very dirty and I found that the Pipe going into the egr valve from inside the housing was almost completely clogged. Fuel economy is back to normal. CL
  6. Have you done anything to the car lately (repairs). If so it may just need to be reset. Mine came on after I did a power steering repair. I had arched a wrench across my alternator terminal and blew the alternator fuse. It somehow afected my airbag light. I reset it and all is well. Check the fuses first. mine is a 91 LS as well. Do a search on it in the forums and you will find the reset proceedure. It's where I figured it out. CL
  7. Thanks a ton for taking the time to post these. Am I correct in assuming that the system should stay pressurized when turned off? Thanks, CL
  8. I have a 91LS400 with 213000mi. I am wondering how the fuel systems works. My fuel system seems to be loosing pressure as it sits with the engine off. Is this normal or should the system stay pressurized after the ignition is off? The car takes about 4 secs to start for the first time, if it has set overnight. Otherwise, it starts immediately. If it is supposed to stay pressurized, What could be allowing it to disipate? The fuel pressure regulator or the fuel pump? If it isn't supposed to stay pressurized, could the fuel pump be getting weak or could the fuel pressure regulator be out of
  9. Whseeeew. :D I found it. It blew the 120 fuse under the hood. Thanks for your responses. CL
  10. A fuse would be good. I know it isn't working because I decided to check the voltage at the battery (knowing I sparked it) and it read 9 volts just seconds before it started to die. Thanks, CL
  11. I was messing around with my 91 LS400. I forgot to unhook the - cable on the battery. I touched the alternator with the wrench and it sparked. I just cranked the car and the alternator is not working. Does this thing have a fuse or something or am I going to have to replace the whole thing. I not sure where the wrench touched it. I guess I wont forget to remove the neg cable next time. Any input? Thanks, CL
  12. I just pulled mine out. Are you talking about the little flat ones on the plunger inside the valve? Those aren't your typical round o-rings. Where would I get those? The plunger in mine just fell out. I suppose it (the o-rings) should be tighter than that? Thanks, CL
  13. The throttle body is the top part or layer of the engine. It proudly displays the Lexus badge. The air filter element connect into it. I bought some Carb and choke cleaner and some shop rags. I chose to remove mine. It takes about an hour. There is a post on here somewhere that shows how to clean it without removing it. I only removed mine to check the cold start injector which is in the bottom of the intake assembly. CL
  14. Mine has the same problem. Where is this pressure switch and it's o-rings? Thanks, CL
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