Code Enable Criteria

WARNING: This page is about a different car, the 2002 Isuzu Trooper. However, it is still accessible from the selected car via links, so may be relevant.

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

Fuel level sensor output change is 15 percent or more.
Fuel volume level is .01 percent or more.
Intake air temperature is more than 32°F (0°C).
Vehicle speed is 1 mph or more.
Throttle position is 2 percent or more.