Question about 1997 Pontiac Sunfire

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Wont start and trouble code is p1441 - 1997 Pontiac Sunfire

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P1441- EVAP system flow during non-purge. Could be a purge valve. Could be a leak. You might want to save yourself some grief and take it to a shop.

Posted on Mar 13, 2011

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P1441 Evaporative Emission System Flow During Non-Purge.


The vacuum system/Evaporative recovery system. Evap. (vapor cannister) code MAY be as a result of excessive fuel flow into the cylinders overloading the cannister's capacity. Possible cause is a failing Oxygen sensor giving a "Lean" indication to the engine computer, causing more fuel than is needed to be injected into the cylinders and captured by the vapor system. Trying to keep track of the changing readings may be taxing the computer's memory. Have the oxygen sensor checked. If it is functioning correctly, check for vacuum leaks, cracked or broken vacuum hoses.


Take you car to a professional as this is going to take some skill and knowledge to repair. Dont keep buying parts to fix the problem as this will get very expensive.


Here's a link to codes and what they mean http://autorepair.about.com/cs/troubleshooting/l/bl_obd_main.htm

Posted on Mar 13, 2011

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P1441 Evaporative emission control system very small leak, positive pressure.
The problem may be that the purge control valve which is part of the charcoal canister has a slight leak.
If the control valve doesn't completely close, there will be flow during non-purge.
Vacuum drawn through the small hose to the charcoal canister is what opens the purge control valve.
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Read more: http://engine-codes.com/p1441_chevrolet.html#ixzz21ZntUMpS

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