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Home >> Cadillac >> 1990 >> Allante F7/ME9 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> ECM DTC EO17: Left O2 Sensor Not Ready >> Test Conditions
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Test Conditions

  1. Codes EO14. EO15, EO21, EO22, EO26, and EO27 NOT set.
  2. Coolant temperature 58°C or greater.
  3. Throttle between 6 and 30 degrees.
  4. Throttle switch open.
  5. RPM 800 or greater.