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 E14, E15, E16, E21, E22, E26, E27, E31, E32 and E34 all must be clear.
- Throttle switch open.
- TPS between 6 and 30 degrees.
- Coolant temperature greater than or equal to 136°F (58°C).
- Oxygen sensor ready (closed loop).
- RPM greater than or equal to 800.
- Canister purge has purged at full duty cycle for 10 minutes since engine was running with coolant 176°F (80°C) and TPS 10 degrees or greater.