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FLA -262 FUEL SYSTEM ▶ Substitute with a known - good HO2S and check for proper operation. 2. Check HO2S 1) IG "OFF" and disconnect HO2S connector. 2) Check that the HO2S is securely installed. 3) Check the HO2S for contamination or damage 4) Is the sensor normal? YES ▶ Substitute with a known - good PCM and check for proper operation. NO ▶ Substitute with a known - good HO2S and check for proper operation. NOTE There is a memory reset function on scantool that can erase optional parts automatically detected and memorized VERIFICATION OF VEHICLE REPAIR EC5462E1 Refer to DTC P0137. |