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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Tests W/Codes - 2.3L) >> Circuit Tests >> DTC P0125 - Excessive Time To Enter Closed Loop >> Diagnosis & Repair Procedure

Diagnosis & Repair Procedure

WARNING: This page is about a different car, the 1997 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect cooling fan system. See appropriate ENGINE COOLING FANS section. Repair as needed. If cooling fan system is okay, go to next step.
  2. Inspect ECT sensor. See appropriate SYSTEM/COMPONENT TESTS - 2.3L article. Replace as needed. If ECT sensor is okay, go to next step.
  3. Inspect engine cooling system. Repair as needed. If cooling system is okay, go to next step.
  4. Erase DTCs. See CLEARING CODES  in SELF-DIAGNOSTIC SYSTEM section. If DTC resets, replace ECM. If DTC is not present, intermittent system malfunction may have caused DTC to originally set.
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