Question about 2002 Dodge Caravan

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2002 dodge caravan code coming up on read out PO456.What is amiss?

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That is the evap. usally a bad seal on the gas cap or the goose neck to the tank

Posted on Sep 05, 2009

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1 Answer

Po456


this code refers to the fuel evaperation control system so will not be the cause of slipping transmission, check the trans fluid level and rescan the OBD

Jun 15, 2014 | 2001 Dodge Caravan

1 Answer

Codes0441 0442 0455 0456


codes po441 po442 po455 po456. code po441 - EVAP system no flow during purge conditions.code po442 -EVAP system small leak detected conditions. code po455 - EVAP system large leak detected conditions.code po456 - EVAP system very small leak detected. possible causes loose damaged missing fuel cap.fuel tank sensor disconnected or failed. ORING on top fuel sending unit leaking.purge valve vapor line clogged disconnected or purge solenoid failed.vent solenoid not closing or has failed.

May 23, 2013 | 2002 Dodge Durango

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Car codes Dodge Caravan 2002


new spark plugs basic tune up this will fix it ,then fine the small vacuum leak fix it this should take care of it.

May 10, 2010 | 2002 Dodge Grand Caravan

1 Answer

Color code for 2002 dodge caravan


The color code is part of the vin number. Call the dealer with the vin and they should be able to tell you the color

May 03, 2010 | 2002 Dodge Caravan

1 Answer

Engine code po456/2006 doge caravan


the code your getting is for the evaporator emissions system,look for any vacuum hose or hose that's coming from the canister tank. check to see if its bad or has rotted and fell off,or is closed off,any one of those hoses will cause that to happen,it may just be one that got knocked loose by accident. check any hose that has to do with vacuum or the emission system,a sensor is what caused that code to show up

Jul 19, 2009 | 2002 Dodge Durango

1 Answer

Trouble code po456 evap small leak ? could it be the gas cap ?


Can't say 100% obviously, but quite often that is the cure, but try to take some time to make sure all your hoses , in the system are in good shape & tight.

May 31, 2009 | 2002 Dodge Grand Caravan

1 Answer

2001 Dodge Caravan/check engine light


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

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