This is the thing, I have checked the voltage of the O2 sensor when at operating temp and it is working fine and giving proper voltage. The check engine light was on for about a day, then it turned off sometime the next day in the afternoon. I no longer have the light on in the dash, but i know the codes are stored on my DME from when it occured. I have to get my car smogged later this month and I can't have that code on my DME or I will fail smog. So, I would like to reset my DME, but can't because I never get the code 1000, just 1221 over and over again. I've tried to reset by holding the pedal down, but my dash still flashes 1221 regardless. What am I doing wrong here?
As of now, I think my best bet is to just replace the sensor and hope for th best. What do you all think?
check out this link for a description of the "pedal method" http://www.pelicanparts.com/bmw/techarticl...ode_Reading.htm