fly_S2K
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Posts posted by fly_S2K
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Hello all,
Well it's happened to me, the dreaded surging idle and stalling engine that often occurs with our early gen Ls400's. I have searched but nothing's actually pointed me in the right direction with my problem.
Here are the symptoms. My 1990 LS400 drops to very low RPMs after a few minutes of driving. It will sometimes drop low then surge up to about 2000rpm or flat out stalls.
However, this does NOT occur after a long drive or anything, it will happen after 2 mins of driving. Even when I am driving around 40MPH, the car will slow down then start surging or stalls. No matter how much throttle I add, the car will drop RPM's (200-300RPM) then surge upwards or just flat out stalls. It will not allow me to drive.
I have spent 2 days searching on this common problem without results, as everyone else's seem a bit different. Such as the 94-95 with the ECM problem or 1st gen's like emyself doing a TB cleaning and MAF cleaning which solves the problem.
I've taken a look at my MAF and it looks clean. I'm not sure what to clean on the TB but I do not think that is the problem. I do not think it is the idle control valve because my problem will occur even when im on the freeway doing 60.
I want to say it is a bad MAF, but I don't want to go out and buy one without a second opinion. Could someone point me in the right direction? Any input would be greatly appreciated!
Thank you.
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Thank you for the warm welcome, I'm hoping to gain knowledge as well as pass some of my expriences with the car over the years. After reading a few of the threads, I've noticed that a few of the "quirks" that I exprienced was not just my car but a normal thing for our MY. Hope to learn a lot more form here
-johnny
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Actually I've been enjoying it since 1990, but just not getting around to buying that service manual :). It's time for some bigger maintence and tune-up procedures and I wanted to venture out and do it for myself. Thanks a lot for your advice.
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Thank you, exactly what I was looking for.
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Hello all, I am new to this forum and in search of a service manual for the 1990 LS400. I own a Honda S2K and found that the Helm's manual for it is VERY useful and I am curious if there is such for this car. If so where am I able to buy this manual? Any suggestions would be greatly appreciated. Thank you.
-Johnny
Engine Surges Then Dies. I Have Searched, But Have Not Found A Solutio
in 90 - 00 Lexus LS400
Posted
Thank you for the suggestions, I will check out those things.