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P0440 Diagnostic Trouble Code Discussion for September 2007

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
1998 Pontiac Grand Prix GT 3.8L No Start, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G2WP12K8W
P0440: EVAP System No Flow During Purge. ... not start for a while When vehicle runs it is fine. Sometimes while driving down express way vehicle will stall out and nothing will happen. Never loses voltage just will not start. Scanned Vehile and und mil code there were: p0440, p0442,p0336, p0420 Und...
September 17, 2007
2000 Pontiac Grand Prix SE 3.1L MIL Lamp on VIN: 1G2WK52J91
P0440: EVAP System Malfunction. car came in with engine light on scan computer and had code po440 evap system no other codes inspect evap system component for damage and checked good.also scanner does have evap fault histery weak vac. i do not have a pressure/purge station. i think the probl...
September 21, 2007