Discovery I (LJ) V8-4.0L (1996)
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Oxygen Sensor: All Technical Service Bulletins
Heated Oxygen Sensor - Unnecessary Replacement
Bulletin: W94-013
Section: Warranty
Date: 12/2/94
Model: ALL
Applicable to: USA/CND
Subject:
Heated Oxygen Sensor (H025) Replacement
Ongoing supplier and LRNA Rig and Vehicle tests are consistently showing a high percentage of heated oxygen sensors replaced under warranty are not
defective. To avoid any of these warranty claims being rejected, please consider the information contained in the Technical Bulletin 19/01/94US.
This Bulletin identifies several points which have led to unnecessary HO2S replacement in the past and should be considered whenever diagnostic
trouble codes 23, 44 or 45 are experienced.
