LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2002 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Self-Diagnostics - 3.1L Engine >> Diagnostic Tests >> DTC P0125: ECT Excessive Time To Enter Closed Loop >> Test Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Test Description

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 3

    This step tests for excessive resistance in the ECT circuit.

  2. 7

    This step tests for a skewed sensor through the range of temperatures affecting this DTC.
scientia non olet · About LEMON Manuals