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Caravan gas smell

  

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Hello got a 2005 dodge caravan sxt 260k V6 van runs fine but there is a gas smell only when running I have replaced the gas cap thinking it was the problem but smells continue what can I do?? 


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Find the leak. I'd start with a block tester to see if the head gasket is leaking. It's a simple test that you can do. https://www.youtube.com/watch?v=v0U8Iyf0kk4


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