dear sir i had a check engine light on my instrument cluster for my bmw x5 model 2001 i took it to the mechanic shop we had an error code dtc 236 trimming, oxygen sensor before catalyic converter , bank 2 the mechanic advised me to change the oxygen sensor befor the catalyic converter first
we brought a used oxygen sensor and replaced it after 350 miles the check engine light illumentated again i went back to the mechanic shop he said that he is not able to find any repair information about this dtc 236 because the bmw didnot give any informations about it pls advise me what to do or what is the possible cause of this dtc and if possible
or how to diagnosis this problem and solve it
we brought a used oxygen sensor and replaced it after 350 miles the check engine light illumentated again i went back to the mechanic shop he said that he is not able to find any repair information about this dtc 236 because the bmw didnot give any informations about it pls advise me what to do or what is the possible cause of this dtc and if possible
or how to diagnosis this problem and solve it
Jan 28, 2009 at 3:18 AM
