07 Ram 1500 check engine light question

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djjab73

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Ram Year
2007
Engine
5.7 Hemi
I have a code for the gas cap, replaced cap with one from dodge but didn't fix the problem. I heard that this is a common problem but can't find the answer. TIA
 

MADDOG

Out Exploring Arizona
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It means you have a leak in the fuel evap system.

It could be a hose that runs from the engine compartment to the evap canister. There is also a loop hose on top of the canister that could be cracked.
 
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