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TTimlin

How To Reset Ecu?

5 posts in this topic

I have a 2001 GS430 with 85,000 miles I just recently did a tune up on.

I completed an all synthetic fluids change (oil, trans, dif, break fluid, coolant), replaced: ngk iridiums IX's, optima battery, alternator, timing belt, cam seals, etc) also: cleaned the fuel tank and filter, intake manifold and throttle body. I would now like to reset the ECU to adapt to the new settings.

PROBLEM: It is currently wanting to run very rich with the clean system. Almost seems to be stuck in choke (temperatures 20-50 degrees here).

After reseting the ECU, any procedure to program the computer or will it learn on its own?

Help would be much appreciated with gas prices being the way they are. It's drinking a good bit of gas. Thanks again

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When you did the work on your car, you disconnted the battery, so you already reset the ecu. Just give it some time and the ecu will learn your driving style and adjust accordingly.

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Yep, just disconnect the battery for a few minutes...

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I was told that after you change plugs, clean/replace filters and throttle body...to disconnect the battery. Then reconnect it, start the car and let it idle for 20 minutes to adapt itself to the changes...let us know what works!

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After a battery disconnect, you should also just turn the key and not start the ignition and leave it there to allow the throttle body to adapt again.

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