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P0440 Diagnostic Trouble Code Discussion for October 2012

General EVAP System Failure


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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
P0440: EVAP System No Flow During Purge. New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ...
October 15, 2012
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
P0440: EVAP System No Flow During Purge. New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ...
October 17, 2012
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
P0440: EVAP System No Flow During Purge. New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ...
October 15, 2012
1998 Chevrolet K1500 Cheyenne 5.7L Poor Idle Quality, Surge VIN: 1GCEK19R4W
P0440: EVAP System No Flow During Purge. New customer, unknown history, truck runs great above 700 rpm but idle will fluctuate 400 rpm have check fuel pressure, map, have installed know good maf, tp, and iac, checked trans range switch and showed in park, O2 sensors are both moveing good, Cmp retard ...
October 17, 2012