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Old 07-06-2010, 09:17 PM   #5
Registered User
Join Date: Jun 2005
Location: Hopewell Junction, NY
Posts: 8
My Ride: 2001 330Ci
I recently pulled P1193 (I've seen other posts for P1192 which is the same code for bank 1 the solution in either case is the same). As it turns out the post cat O2 sensors play some roll in adjusting the short term fuel trim values, which over time will affect the long term fuel trim values. Using a live data scan tool I was able to determine that all O2 sensors and MAF were working properly ruling out replacing them, but the long term fuel trim value was peg at the upper limit leaving the DME no further adjustment. After some further searches on this site and others, it seams there is a glich in the DME software, that requires the DME to be reprogrammed. I hope you were able to resolve this issue.
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