Question about 2001 Dodge Grand Caravan

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Fault codes po442 and po455

I need to know what these are and if i can fix them or take it to a shop

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  • Anonymous Mar 17, 2014

    02 sebring the codes read Po455 po442 po139 po137 po118 po108

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Error p0442 and p0455 What does that mean?This indicates a fuel vapor leak or lack of purge flow in the EVAP control system. It means a large leak has been detected. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine.
CausesA code p0455 most likely means one or more of the following has happened:

  • A loose or improperly affixed gas cap
  • A non-conforming gas cap (i.e. not factory/original brand)
  • Other leak or damaged piece in EVAP system
Look at these yourself and see if you can't fix them.  If not you will need to take it to a shop.  Thanks for rating my response and for using FixYa!

Posted on May 27, 2009

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Get a smoke test. Also check the fuel tanks filler neck for holes due to rust

Posted on Nov 24, 2009

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I found one thing I had a short piece of hose that was bad and replaced if. The light stayed off for one week and came back on. Where do I go from here?

Posted on Jul 20, 2009

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Posted on Jan 02, 2017

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