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I have a "Check Engine" Light on in my 2000 Ody Van. It is showing a code of P1456. I can't find anything to tell me what it means. Does anyone out there have a listing of all the OBD2 codes?
 

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P1456 is the EVAP control system leakage. Most of the time you have a defective gas cap or it wasn't tightened enough, at least 3 clicks preferably 6 clicks. There are many threads on the subject.
 
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