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FLA -134 FUEL SYSTEM SIGNAL WAVEFORM AND DATA E8CA1A5D Fig1) The signal waveforms of front HO2S(the upper) and heater(the lower) at idle Fig. 1 Fig. 2 SCMF16158L The HO2S requires a minimum temperature to provide a closed loop fuel control system. So the HO2S contains a heater MONITOR DTC STATUS EA87FFAE 1. Check DTC Status 1) Connect scantool to Data Link Connector(DLC). 2) IG "ON". 3) Select "Diagnostic Trouble Codes(DTCs)" mode, and then Press F4(DTAL) to check DTC’s information from the 4) Read "DTC Status" parameter. SCMF16159L |