LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

Check engine light came on.... high idle @ 2000rpm!!

Old 10-25-17, 11:36 AM
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RA40
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Check the part # on yours and match that to any found at the wrecking yard, etc. Has to be the same match. The parts to DIY are sub $8 or so. As long as you have a decent soldering iron and follow the directions Cowboy posted, this is not difficult. You'll save plenty of $$.

This thread lists the ECU part#'s for the 1-LS's 89-94.
https://www.clublexus.com/forums/ls-...terchange.html
Old 10-25-17, 04:49 PM
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OMAHA
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Originally Posted by RA40
Check the part # on yours and match that to any found at the wrecking yard, etc. Has to be the same match. The parts to DIY are sub $8 or so. As long as you have a decent soldering iron and follow the directions Cowboy posted, this is not difficult. You'll save plenty of $$.

This thread lists the ECU part#'s for the 1-LS's 89-94.
https://www.clublexus.com/forums/ls-...terchange.html
thanks RA40 !!
Old 10-25-17, 05:00 PM
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Moarpower
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The other computer would likely work....But it will go bad as well. DO NOT pay that amount at all. I refurbed mine for 20 bucks. Order the correct capacitors and solder them in. If you cant do it, take it to any half decent hobby electronics joint and pay them 80-100 to do the job.

Last edited by Moarpower; 10-25-17 at 05:13 PM.
Old 10-30-17, 05:02 PM
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OMAHA
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Installed a rebuilt ECU and all issues are solved. Thank heavens!
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