View Full Version : Engine Fault Codes

12-07-2004, 03:32 PM
Does anyone know what this code means 1121, my car is bogging a little after 5500 rpm constantly
thannks Goran

12-07-2004, 03:40 PM
sorry the first code was wrong, the real code is 1221 and it means EGO (o2) sensor 1
is that the actual O2 sensor that is connected to the headers?

12-07-2004, 08:45 PM
I'll find out for you tomorrow...what model is your car?

12-08-2004, 02:40 PM
My car is a 1988 325is, Im thinking i might have a clogged cat b/c the exhaust makes weird sounds at times, thatnks for your help

12-08-2004, 02:48 PM
IT's very posible that your sensors are gone.Kinda pricey if you get newone.