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Code : P0456 Evaporative Emissions System - Small leak detected

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Code : P0456 Evaporative Emissions System - Small leak detected

Post  mr.steamy on 8/25/2012, 11:18 am

So earlier in the week my check engine light came on. I bought a code reader and P0456 Evaporative Emissions System - Small leak detected came up. So I did some research and saw that it could have been as little as tightening the gas cap. But then I got another check engine light on today with the same code. Has anyone else had this issue and is there more to it than what I'm thinking (gas cap)? Thanks!
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Re: Code : P0456 Evaporative Emissions System - Small leak detected

Post  JaFra on 8/25/2012, 11:29 am

It's the gas cap. The system takes about 130 miles to reset itself. It will also help for a few months at a time, if you coat the gas cap's rubber ring with vasaline. It restores the plasticity and creates a better seal.

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Re: Code : P0456 Evaporative Emissions System - Small leak detected

Post  mr.steamy on 8/25/2012, 11:43 am

JaFra wrote:It's the gas cap. The system takes about 130 miles to reset itself. It will also help for a few months at a time, if you coat the gas cap's rubber ring with vasaline. It restores the plasticity and creates a better seal.

I'll try it. Thank you!
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Re: Code : P0456 Evaporative Emissions System - Small leak detected

Post  dongalonga on 8/25/2012, 4:38 pm

Right on the money. It is definitely the gas cap.
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