AT what throttle setting does the 97 sc 300 change from open loop to closed loop?
09-23-04, 12:29 PM
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AT what throttle setting does the 97 sc 300 change from open loop to closed loop?
Ok I have a 97 SC300 that I need to find out at what throttle setting that it changes from closed loop to open loop? I am thinking that it is around 50% I am working a little project on OBDII cars, and any information would be great.
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09-28-04, 01:11 PM
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I believe it does not matter...
... what your thottle setting is... Open loop usually becomes closed loop after your engine reaches normal operating temperature... If for some reason your ECT sensor fails then it will automatically go into closed loop after "x" amount of time car is being driven... Hope this helps.. Good luck with the project... Bryan
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