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Posted on Jun 10, 2012
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Code p0456 i have a code p0456 on my car what all do I check

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Marvin

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  • Dodge Master 85,242 Answers
  • Posted on Jun 10, 2012
Marvin
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P0456 DODGE - EVAP System Small Leak
As you see form the list there is not a single problem that causes this code to set.
Possible causes- Missing or loose fuel cap
- Incorrect fuel filler cap used
- Fuel filler cap remains open or fails to close
- Foreign matter caught in fuel filler cap
- EVAP canister or fuel tank leaks
- EVAP system hose leaking
- Fuel tank leaking

Read more: http://engine-codes.com/p0456_dodge.html#ixzz1xQr2MVRf

  • brandon
    brandon Dec 31, 2013

    did you get this fixed? I have an Aspen and this light has come on and wont turn off. Had it fixed once with no luck but a I still got a bill

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