Search results

My best guess (for what that's worth) is to consider replacing your ECU with a known good working unit. If that does not work then all bets are off. Sorry ...

The first day I installed a new ECU it idled very low (3-400 RPM). Drove it for about 3 miles and then garaged it. The next day it drove a little better, drove it about 5 miles. By the third day it was purrring like a kitten.

It takes a while for the ECU and all the sensors to communicate and get things right.

I should have added that here in the US of A the IACV runs $695 (at least at my local stealership). I have no idea about availability of used parts in the UK ... but try to find either part (the -10 is prefered as it is rebuildable) used.

No. The -20 is not rebuildable. The -10 shown in the article is.

I just recently had a very similar issue with my '93 SC400 with 52K miles. The car would start/run ONLY if you gave it some gas. If you released the gas it would die. I took the car to the Lexus dealer and was told that it was a bad IACV and possibly a bad ECU ($695 + $1,500). I bought some used...

Look at the model #s of the IACV. The -20 is a direct swapout with the -10 (the IACV with the removeable stepper motor) ... but it is not rebuildable.

I just recently had a very similar issue with my '93 SC400 with 52K miles. The car would start/run ONLY if you gave it some gas. If you released the gas it would die. I took the car to the Lexus dealer and was told that it was a bad IACV and possibly a bad ECU ($695 + $1,500). I bought some...