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P0440 Diagnostic Trouble Code Discussion for December 2010

General EVAP System Failure


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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2002 Chevrolet Silverado 1500 5.3L Excessive Emissions, Poor Idle Quality, Surge, Misfire, MIL Lamp on VIN: 2GCEK19T72
P0440: EVAP System No Flow During Purge. This vehicle has a terrible miss upon cold start below 45 degrees. It will miss,load up,stall and run terrible til it is warmed up. Looking at the misfire counter it shows all cylinders missing until it gets to operating temp. This truck has done this for the ...
December 23, 2010