Did it today 30 minutes prior to leaving work and I've got to admit the drive home was like no other. I read the whole thread and saw people posting that its just in our heads etc etc. Take my word for it, prior to resetting the ECU I could not get the car to peel out as HARD as I tried. NOW I give a little gas and the car starts to peel out itself. The RPMs are definitly hitting higher numbers before changing gears and the car is pulling like I've never seen before. I'll be pulling out the ECU B fuse every week or so.

 

I prefer to do it by taking out the fuse. If I disconnect the battery I lose memory seat and tilt steering settings which I really dislike. Plus the fuse method is easier anyway instead of having to put one foot on top of the battery and yanking out the cable with both hands and a generous amount of swearing.

 

I was highly skeptical that this would work....BUT since I bought a used 2000 gs300 I thought I would give it a try....WOW it really does change the driving characteristic of the car...I was pleasantly surprised....In fact I nearly peeled out of my driveway in reverse...I think once it learns your driving style there should be no need to reset...unless you want to feel the full potential of the car. Thanks for this tip

I decided to do option b. pull fuse....It did reset my radio and seating positions. fyi.

BTW....if you add a sticker....reset your ecu.

 

Which fuse did you pull? I didn't think the EFI fuse would reset radio and seat positions; not on my '94 SC4 anyway. Maybe different on your GS?

 

I pulled the 20 amp "ecu b" fuse...I didn't think it would change anything as well...but it did. Just radio and seats though...not a big deal.

 

I kind of did this, i had to replace my battery, and when i put in the new batt my ecu reset. and i let the car run for about 5 min then drove it for a bit and it felt better then when i got the car. Idk if it was the bat or the ecu reseting itself did anything. But there was a diffrence in thump.

 

is there a way to reset the ECU, without reprogramming the stock radio? cause, the pre-owner never gave me the code.

 

I reset mine with each new performance mod. resets the computer to get the best performance out of the car! I've never had to enter a code into my factory radio!

 

Resetting the ECU by removing the ground battery cable doesn't lock up the head unit, only resets to the presettings.

 

you are correct, the car will start in open loop as it always does, but without the help of the O2's it will always stay there (rich fuel mixture). I also belive that is the reason why everyone feels a diffrence after reseting the ECU. The car now has no memory and to be safe in will run in open loop untill it has enough data to correct the fuel mixture to optimal milage and safe emissions.

 

Why not just take it to Autozone and have them reset the ECU from their little box. At least I think this will work. At the very least they can take the CEL out.

 

Do i have to remove the battery cable and then pull the ECU fuse, or i just need to pull the ECU fuse for 10 mins?

 

That's clearing codes, not the same thing. Plus if you get CEL's and VSV's, than there is something wrong with the car.

 

WOW i did this, and it is amazing, i felt like i was accelerating like twice the speed, so thanks DEX

 

Ok Another member to try the test.. I bought my 2nd GS, an 01 GS430, from the original owner in Oct 07. Car was pampered and garaged its whole life, and the 50ish year old owner was not one to run the pants off the car, plus figure 36k in 6 yrs, that is just 6k/ yr. So if a car can become mild mannered by easy driving, this car is it.

I noticed it is not quite as peppy or brutal as my 99 GS400 (125k) in the speed dept, I figured the trans or other feature changes made the car more 'refined'. We'll see tomorrow how she runs.