October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Code Enable Criteria

Following conditions must be met for DTC diagnostic test to run:

Sensor output is changing more than 2 percent within 124 miles, or fuel level sensor position change is less than 15 percent within 124 miles.
Intake air temperature is more than 32°F (0°C).
Manifold absolute pressure value changes less than 10 kPa in 3 seconds.
Engine speed changes less than 50 RPM in 3 seconds.