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What is the drive cycle for our cars?

6K views 2 replies 3 participants last post by  nukeduster 
#1 ·
Hey guys, just moved to north CALi AND had to get the smog done. Had a check engine light and I took it out with my FXC engine code reader tool. The thing is I have taken it to several smog shops and they tell me that internally in the computer, my smog sensors or OBD II sensors have not reset. I researched the issue and comes out that I have to do several Drive Cycles for them to reset.

Does anybody know of this? is driving me crazy. Again, the question is, what is a drive cycle for a BMW? My car is a 1997 318I (manual)
 
#2 ·
welllllllllllllllllllll typically on an obd2 vehical u must drive for 15-20 mins at normal op. temp. @ 55-60mph to complete a cycle... or.. disconect your neg (-) bat term for 10-15 mins orrrr..... the reconmended way to reset is just take into satan (dealer) and have your ecu reset
 
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