October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

DTC Description

Checking the fuel trim value under detecting condition, if its average exceeds the limit over certain period, PCM sets P0171. MIL (Malfunction Indication Lamp) turns on when the malfunction lasts till consecutive 2 driving cycle.