is it possiable to have a ecu keep throwing 41 if you hook a o2 up wrong then put a good one thats prewire up??

 

wait so you had one wired in and then switched it to the plug in o2? i'm just trying to make sure i undersdtand...what your saying

 

ya i had a o2 that the 4 wires were cut so i tried just connecting the wires to a plug i had laying around well it still threw the code. so put one that was already wired all up. i knew this 02 was good for a fact also.all i had to was plug it. now the ecu is still doing it. i unplug the the battery for a litt to reset the ecu. its still doing it. thanx for your help to

 

just wondering but how do you know that o2 is good? was it bought new from a auto store ...the reason i'm going there is because lets say you took it outa a friends car and it was working..you could have damaged it removing it or installing it...i've even seen new ones damaged

 

no it wasnt bought new. the ecu wasnt throwing any codes at the time so i took it out put it in my car to see if my ecu would stop throwing it. well it didnt so i put it back in her car now its throwing the o2 code also. before any of this i tried wiring up the o2 i had laying around couldnt get it to stop. i took the o2 i had to her car and tryied wirring it up cause i knew her car was fine. now hers is doing it even when i put her o2 back in

 

also i out a p28 ecu in thats auto and its not throwing any codes that why im wondring if fried the ecu

 

so with the plug in o2 and the other ecu there is no problems no CEL's?? if so then i think you answered your own question...get a new ecu