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O2 Heater Relay: Removal

WARNING: This page is about a different car, the 2004 Dodge Dakota. However, it is still accessible from the selected car via links, so may be relevant.

The oxygen sensor heater relay is located in the Power Distribution Center (PDC) ( Figure ). Refer to label on PDC cover for relay location.

  1. Remove PDC cover.
  2. Remove relay from PDC.
  3. Check condition of relay terminals and PDC connector terminals for damage or corrosion. Repair if necessary before installing relay.
  4. Check for pin height (pin height should be the same for all terminals within the PDC connector). Repair if necessary before installing relay.
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