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Old Apr 1, 2015 | 09:22 PM
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Question Code Question
Will a season change cause a p0440 code to pop? Today is the first day we had over 70 and when I went to go home my cel was on.
 
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Old Apr 1, 2015 | 09:51 PM
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Try tightening your gas cap.
 
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Old Apr 1, 2015 | 10:07 PM
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Yes. Evaporative emissions monitor doesn't run in cold weather, so ya, a nice day will cause the monitor to run and detect a fault that otherwise would go unnoticed.
 
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Old Apr 1, 2015 | 11:08 PM
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I did tighten my cap. It was on firm. So does this mean it is faulty or is it just resetting?
 
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Old Apr 2, 2015 | 01:10 AM
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Kept getting that 440 code, ended up replacing gas cap and it went away.
 
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Old Apr 2, 2015 | 07:32 AM
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Have the cap tested before replacing.


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Old Apr 2, 2015 | 08:44 AM
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How do you test a gas cap?
 
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Old Apr 2, 2015 | 09:13 AM
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Inspection places. Here in TX, they do it every year during the inspection.


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Old Apr 2, 2015 | 09:56 AM
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Ok. So he should take it to an inspection station and have it tested?
 
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Old Apr 2, 2015 | 02:37 PM
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We dont have inspection stations up here. I went ahead and spent the $10.00 and replaced the factory original gas cap. Now the question is how long until the cel resets.
 
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