Question about 2002 Chrysler PT Cruiser

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Hi, My engine light came on so I took it to AutoZone who told me it was the EGR hose so I had that replaced 2 weeks ago. Yesterday, the light came back on so back to AutoZone I went this morning. It is giving off the code PO456-Emissions Minor Leak. My car has been running rough and sucking down gas. My husband is pretty darn handy...Where should I start looking for this possible leak? Thanks in advance!

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Usually this P0456 code is caused by an incorrect or faulty gas cap. Filling the fuel tank with the engine running could conceivable cause this code as well or if the cap wasn't properly tightened. Any of the following could also be the cause:

  • A small leak in any of the EVAP hoses or fuel tank hoses
  • A small leak in the purge valve or vent valve
  • The EVAP Canister may be leaking

Posted on Mar 13, 2011

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Posted on Jan 02, 2017

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