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2001 Dodge Caravan/check engine light

The following codes have come up on my vehicle(check engine light was on) .Would someone please tell me what they mean? Thanks!!
PO456,PO455,PO442
Check Engine Light

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  • pablo1212 Mar 29, 2009

    when i fix the problem should i reset the code PO455???


  • Dan Rossi
    Dan Rossi Feb 05, 2013

    I found my leak on my 2002 caravan. Dealership told me I needed complete new gas tank after smoke test. By luck, I pulled off my gas gap with out turning it. Pulled off 3" pipe with flange on it. When I siliconed it back in I never got the code again.

  • Anonymous Mar 30, 2014

    check engine light p1685 2001 jeep wrangler what does it mean

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  • Chrysler Master
  • 64,034 Answers

Is your gas cap tight? check it, these codes indicate a large leak in the fuel evaporative emission recovery system at the gas tank

Posted on Dec 25, 2008

2 Suggested Answers

SOURCE: 2001 Dodge Caravan/check engine light

Leak in evap, most of time the gas cap was not put back on.

Posted on Aug 25, 2008

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Posted on Jan 02, 2017

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