flyguy1996
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Posts posted by flyguy1996
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Oh boy. This doesn't sound like fun Maybe it's best to bring it in and have them fix it. Just didn't want to spend $500 in labor if it's a $30 part and work I can do myself.
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The low setting on my a/c would occasionally start blowing at medium speed then revert back to blowing at low speed from time to time, irregardless of whether it was on auto or manual. Meaning, even if I selected low speed, it would still blow at medium speed. Yesterday, it stopped reverting and now my fan runs no slower than medium speed all the time (unless switched off). My guess is it's the blower motor resistor, so I'd like to replace it. But I can't find any diagrams that show where it's located or how to replace it (I've checked the forums here, but couldn't glean enough to help).
Does anyone have experience replacing the blower motor resistor on a 90-92 LS400, and if so, can you explain the procedure? Would appreciate a diagram, too, if someone is kind enough to post one here.
Thanks in advance!
Tony
92 Ls400 Stumbling At Idle And Speed
in 90 - 00 Lexus LS400
Posted
This started not too long ago on my 92 LS400 with 122K miles. Sitting at idle, the engine RPM drops for just a split second and then returns to normal. This seems to happen regularly, and is especially noticeable on hot days. While driving under light throttle at pretty much any speed, you can feel the car jerking like the engine can't make up its mind if it wants to fire on all cylinders or not. Someone told me it's probably because the plug wires are old and there's arcing between the wires causing misfires. So I bought new plugs and a wireset which I'll put in this weekend to see if it helps, but anyone know any other reasons that would cause this?
Thanks in advance!
Tony