whats going on dc5 guys, i hput a dcrh on my girlfriends type s along with a casper o2 sim and it was fine for the longest time but recently it started throwing a cel, i jumped the obd2 connector port and fashed me a 41... wich is a bad o2... what do you all think could be te problem?

 

bump, anyone have this problem?

 

nobody's had this problem?? do the sims go bad??