evaporated error

Asked by Feb 18, 2017 at 07:54 PM about the 2010 Dodge Ram 1500 ST Quad Cab

Question type: Maintenance & Repair

I have a constant evap error I want a
diagnostic Dakota run it it comes up with
slight evaporation air in the fuel system.
Gas cap light is always on. I have replace
the gas cap and always make sure it is
tight. My reader it does allow me to reset
but within 20 miles it comes back on and
when it is on. Any help would be
appreciated

1 Answer

72,445

You'll need to have a smoke test done to find the leak. It could be so small that the naked eye won't be able to see it. Harmless smoke is forced into the EVAP system. Where the smoke comes out, that's where the leak is. HTH. -Jim

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