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Home › Cadillac › 1989 › Fleetwood Sixty Special › Repair and Diagnosis › Engine Performance › System › DFI ECM Tests W/Codes › Adjustments › Code E13 - Oxygen (O2) Sensor Not Ready › Test Conditions:

Test Conditions:

Codes E14, E15, E21, E22, E26, E27 clear.
Coolant temperature greater than or equal to 176°F (80°C).
TPS value 6-29 degrees.
Throttle switch open.
RPM greater than or equal to 800.