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Home >> Cadillac >> 1990 >> Allante 4T60/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO38: Open Mat Sensor Circuit >> Test Conditions

Test Conditions

  1. Codes EO14 and EO15 not set.
  2. Coolant temperature -5°C or greater.
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