Conditions For Running DTC

Download the full database via torrent (~1.1 TB)

Ensure vehicle meets the following conditions before performing procedure:

Barometric pressure is greater than 22 in. Hg (75 kPa).
Engine coolant temperature is at least 158°F (70°C) after engine warm-up.
Battery voltage is 10.5-16.0 volt
Vehicle has been driven for at least 20 minutes.
Fuel level is 1/4-3/4 tank.

Test will initiate only after a cold start. A cold start is considered when engine coolant temperature is less than 35°F (2°C).