for the past few months my 01 gt kept throwing a bank one lean cond code,i found the prob. and the light is off and no codes,the guy at emmis. told me i have to drive it for 150 miles for the pcm to relearn, i had to replace my battery cause the poss. post broke out of the battery,do i need to drive it that far ? my reg. exp2 months ago and untill it psses emissions i cant re reg. the car. thanx