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chilkoot last won the day on September 27 2017

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  • Lexus Model
    1993 LS 400

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  1. Sorry, it's a 93 and I can hear fuel in the rails with the fuel ecu bypassed.
  2. When cold, car will start and idle fine @ ~1100rpm. After a minute or two it stalls. After it stalls it will crank, and fire, but stall instantly once it catches. After doing this a few times it will crank, but wont fire until it's cold again. It's not: Fuel filter (replaced) Fuel pump or ECU (no change with b+ and fp jumped) MAF (no change with MAF unplugged) with heavy throttle while warm it will fire and rev like hell, but sounds ugly and rpms will cut out to near stall and jump back up intermittently, sometimes stalling. I'm thinking the driver side coil dies when it gets hot, anything else it could be? Plugs, wires, caps, rotors all replaced 3 years/20k miles ago during tb/wp job, coils are original @ ~150k miles. Thanks all.
  3. '93 LS400, ~140k miles. Yesterday on my way home from work my TRACoff and CE lights turned on. When I drove to work last night, they were still on. The car does not sound any different, nor have I had any issues with it in quite some time. My only suspicion is the alternator, it has been on the way out for quite a while now, and I suspect it has finally kicked it. However, I used to own a '90 and when the alternator failed it lit up every dash light, not just the CEL and TRACoff. Did they change the dash indications from '90 to '93? Only other thing I can think of that would logically trip those two lights would be the TPS. Any suggestions? Thanks in advance.
  4. Yes. Every time I drive it excites me. Got me in trouble at a traffic stop once. Long story.
  5. with multiple drain and fills the fluid mixes between each drain, so with successive drains you're only removing a declining percentage of the old fluid. with the LexLS flush you're taking old fluid out of the bottom, and adding new to the top (a few quarts at a time), and there is not nearly as much mixing going on. Think of a gatorade cooler filled with old oil. Drain 2 quarts out of it, put 2 quarts in on top. Would you want to shake it before you repeat to get as much old fluid out as possible (no), or just let the new fluid sit on top until all of the old is gone (yes)?
  6. was the CEL on as soon as the engine started after replacing, or after it warmed up?
  7. the t-stat on my '93 failed open. when mine was bad the temp was pegged at the 1/4 mark, without any fluctuation once it was up to heat. Now it sits about 1/8inch above Blake's, right where my '90 did. edit: i'm not so sure I believe that the temp gauge is so inaccurate as to be only a good-or-bad indicator. the temp rises at a steady rate as the car warms up and when my car was being overcooled by the failed thermostat it pegged at the 1/4 mark, it seems to be fairly accurate to me.
  8. as far as I'm aware the signal for a dead alternator is every dash light illuminating, that's the way my old '90 alerted me. trunk wiring loom on the brake light issue perhaps?
  9. it takes 600HP to run a 12 in an LS400? nevermind then.
  10. I think I got both for either $30 or $35 at Autozone, they had them in stock. Very important to note when replacing them: although you may have "dead" hood struts they do still hold a lot of the weight. you'd be very suprised how heavy the hood is with even one of them removed, make sure you properly hold up the hood in BOTH corners before replacing either of the struts.
  11. a 2.4k torque converter would do wonders as well for a chipped & breathing 1uz with crazy big tires, I wouldn't put it out of the realm of possibility. also, I've heard the same things about bosch platinum 4s and LS400s, just not a happy combination. My original plugs went 130,000m before I acquired the car and changed them, they looked the same as the 60k plugs that came out of my '02 Taurus and the car didn't have any ignition problems. Probably could've run another 30k. Denso FTW.
  12. HCV, heater control valve. It leaks slowly enough that it could seem to be evaporating, and will not leave puddles on the ground. It'll cost about $60 on LPO, it's located on the firewall behind the throttle body.
  13. how does that work? if the o-ring in the gas cap fails and needs to be replaced how would there be increased pressure in the tank? logic would say that a bad gas cap seal would be indicated by a lack of pressure. Do they "fail" when they flatten out and begin to seal too well?
  14. I use purolator PureONE filters, used to be shiny metallic blue but are now dull rough goldish yellow. Available at Advance Auto. You can't go wrong with OEM. IIRC, the 1UZ shares a filter with the Toyota V8's.
  15. my engine did not visibly shake with bad mounts. however, replacing them removed the vibration i felt in the seat at ~1800 rpms in park, a slight hesitation at low RPMs as well as the steering wheel and shifter vibration. I never felt anything in drive or any clunking or surging when shifting into or out of park, but all 3 mounts were definitely worn.
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