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check engine and gas cap light are on

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pulled codes p0457 and P0455 . also changed gas cap, truck is hard to start when warm
Vehicle: Ford Ranger 2005 4.0l v6

1 Answer

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by (106 points)
Could be a simple rubber seal around the gasp. But you could just have to tighten it more. Try to twist it complete atleast 3 full turns. If that doesn't work I would get a new cap.

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