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Old 02-18-2010, 08:07 PM
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Default Got P0441 code

Pulled the code P0441 Evaporative Emission Control
System Incorrect Purge Flow today at work. Any ideas for a common fix and where the purge valve is on the LT1. I can fix it if I know exactly what I need to fix it. Any help would be appreciated thanks in advance.
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Old 02-18-2010, 08:12 PM
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Common problems are the gas cap, or purge valve, and I think there is a check valve too. Both are on the passenger side of the intake. Make sure the hoses are all good. The canister is located under the battery. You access it through the wheel-well. Make sure the hoses are good going to it too.
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Old 02-18-2010, 08:15 PM
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Start with purge valve. Really need a bi-directional scan tool to diagnose & repair properly.
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Old 02-18-2010, 08:34 PM
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Ok cool will check tommorow when it is light out again thanks for the help.
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Old 02-19-2010, 01:49 PM
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One more question from me, is the curved vacuum hose that runs from the solenoid on the side of the intake to the intake manifold available from GM still or will I have to make my own?
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Old 02-19-2010, 09:20 PM
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I believe the hose is still available since I bought one last fall. When my car threw the same code,it ended up being crappy vacuum lines on the intake.
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Old 02-20-2010, 11:16 AM
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Yeah thats what it looks like on mine either they are rotted or kinked. Thanks for everyones input.
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