Expedition 4WD V8-4.6L SOHC VIN 6 (1997)
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MIL lamp on with Diagnostic Trouble Codes (DTCs): P0133, P0135, P0141, P0153, P0155, P0161, P1130, P1131, P1132, P1137, P1138, P1150,
P1151, P1152, P1157, P1158
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Rough idle
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Engine miss
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Hesitation/Surge
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Buck/Jerk
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Stall at idle
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Near stall
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Stall at low speeds
This may be caused by the Heated Exhaust Gas Oxygen (HEGO) monitor calibration not allowing enough time for proper monitoring.
ACTION:
Reprogram the Powertrain Control Module (PCM) and replace the HEGO sensor(s). Refer to the following Service Procedure for details.
SERVICE PROCEDURE
1.
Perform normal diagnostics as outlined in the 1997 Powertrain Control/Emissions Diagnosis (PC/ED) On-Board Diagnostics II (OBD-II) Service
Manual and repair as required.
2.
If the concern still exists or no problems were found, reprogram the PCM using Service Bay Diagnostic System (SDBS) or New Generation Star
(NGS) Tester. Refer to the following Recalibration Cross Reference Chart for correct PCM calibration.
3.
Replace the HEGO sensor(s) (F88z-9F472-AB) as required.
NOTE:
FOR 5.4L APPLICATIONS, DEALERS MUST ALSO PERFORM TSB 97-26-17 TO INSTALL THE DRAIN TUBE ON THE LOWER A/C
EVAPORATOR DRAIN.
