Little Code help? P0456 - Hemi Truck Club
 
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Old 03-17-2005, 10:03 AM  
 
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Little Code help? P0456

P0456 Evaporative Emission Control System Leak Detected (very small leak)

Leak in the headers somewhere?

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Old 03-17-2005, 10:24 AM  
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Little Code help? P0456

Do a forum search... this has come up before. Take her in to the service department - I recall it was an easy fix. Don't think it is related to your headers.
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Old 03-17-2005, 12:10 PM  
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Little Code help? P0456

Hey Slim, I had this done. It is a small pump and a few other little things that test for small leaks in your evaporative system. Took it in to the Dealer and had it fixed in 2 hours.
 
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Old 03-17-2005, 01:41 PM  
 
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Little Code help? P0456

Thanks for the replys guys I think it was a loose gas cap. I reset the code see what happens on the way home. Thanks again!
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Old 03-17-2005, 05:17 PM  
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Little Code help? P0456

I did have a loose gas cap prob before I got superchips and "check engine" light came on. I took it to dealer they said the loose gas cap was cause of error code and to make sure to turn gas cap at least three clicks after refueling.
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Old 03-17-2005, 05:21 PM  
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Little Code help? P0456

This also applies to aftermarket gas caps... they'll set a code everytime! If you want a locking gas cap, buy it at your Dodge parts counter for $20.
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Old 03-21-2005, 12:24 PM  
 
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Little Code help? P0456

hey, i work in a dealer and see this code often, check for a vacume leak on the hoses coming from evap purge solenoid, but 9 out of ten is the gas cap, look for traces of rust in thecap, if so replace the cap
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