Conditions For Running Test (Cold Start)

WARNING: This page is about a different car, the 2003 Pontiac Grand Prix, 2003 Chevrolet Malibu, and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Ensure vehicle meets the following conditions before performing procedure:

Barometric pressure is greater than 65 kPa.
The ECT sensor parameter is less than 86°F (30°C).
The IAT sensor parameter is less than 90°F (32°C).
The difference between IAT and ECT is 7°F or less.
Battery voltage is 10-18 volts.
Fuel level is 1/4-3/4.

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