Test Conditions
WARNING: This page is about a different car, the 1990 Cadillac Fleetwood and 1990 Cadillac DeVille. However, it is still accessible from the selected car via links, so may be relevant.
- Codes E13, E14, E15, E21, E22, E24, E31, E32, E34, E44 and E45 must be clear.
- Closed loop at least 9 minutes, oxygen sensor ready.
- Coolant temperature between 176°-230°F (80°-110°C)
- Engine RPM 400 or greater.
- Vehicle speed zero.