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Home › Pontiac › 2001 › Aztek Base, FWD › Repair and Diagnosis › Engine Performance › System › Engine Controls Self-Diagnostics › Inspection/Maintenance Procedures › Inspection/Maintenance Evaporative Emission System Set Procedure › Enable Criteria

Enable Criteria

Barometric pressure is greater than 65 kPa.
Engine coolant temperature is less than 158°F (70°C).
Fuel level is 1/4-3/4 tank.
Battery voltage is 9-16 volts.