99 Explorerer 4.0 SOHC Check Engine Code | Ford Explorer Forums - Serious Explorations

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99 Explorerer 4.0 SOHC Check Engine Code

carl256

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I have a check engine code P0455 Evap Emission Control System Leak Detected (Gross Leak/No Flow). I already replaced the fuel cap and disconnected the battery. That fixed the problem for about 3 weeks. Now have the same code again. Any suggestions or is there a site that will take you through list of things to check?
 






Here are a couple other causes. Loose or leaking hoses, loose or broken fuel cap, a leak at the top of the fuel filler pipe neck, etc. You could also try changing the gas cap. To find the leak you will need a leak you will need some kind of leak detector smoke machine.
 






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