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2004 Buick LeSabre Custom 4dr Sedan

2004 Buick LeSabre
Trim Info:
Front Wheel Drive, 4 Dr Sedan Custom, Large Car
20 mpg city / 29 mpg hwy
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August 16, 2011, 7:53 pm


Question: what do the following codes means:

P0440:eveap control system
P0449:evap control system vent
value/solenoid circuit

we can be driving and the car will shut off and some time will not fire back up right away.

July 30, 2012, 7:42 pm

Dustin S

those codes are not likely related to the issue of not firing back up, however a slow fuel pump is the most likely culprit. when the under hood temperatures rise a slow fuel pump will not be able to remove the vaporised fuel from the lines as quickly as a new one and therefore the car will crank longer before it fires or may take several attempts to get it running.

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