Dodge/Ram Diesel Tech Discussions on all generations of Cummins Diesel powered Rams plus the new Eco Diesel

fuel system

Old Aug 25, 2017 | 04:24 PM
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Daybyday8
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Default fuel system

Fuel pump replaced 4 months ago. now receiving error codes P0456, P0457 (SHOWED UP 4 TIMES) CODES 40184
CODE 40164

And of course the truck wont smog..have tried 3 fuel caps but stiff have the codes.????
 
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Old Aug 25, 2017 | 09:37 PM
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May wanna check ALL the evap hoses/vacuum lines....
 
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