2002 Pontiac Sunfire Q&A
2002 Pontiac Sunfire Question: The car will not run its monitors for emissions re-testing.
a minimum of 3 drive cycles may be required before the EVAP Monitor status will update. This means the car must cool down between drive cycles. Heated garage is not needed. - milesauto
fuel tank must also be between 1/4 and 3/4 of a tank or system will not reset - globalhelper