Conditions For Running DTC

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.

Cold Start

BARO pressure is greater than 75 kPa.
ECT and IAT are less than 86°F (30°C).
Difference between IAT and ECT is 14°F (8°C) or less.
Battery voltage is 10-16 volts.
The fuel level is 1/4 and 3/4.
The fuel ethanol content is less than 11 percent.