What Is a P0456 Engine Code on a Dodge Grand Caravan?

Answer

The P0456 engine code on a Dodge Grand Caravan typically means a faulty gas cap. Engine code P0456 can also mean their is a small leak in the EVAP hoses. The canister can also be leaking.
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Q&A Related to "What Is a P0456 Engine Code on a Dodge Grand..."
P0456 is a small leak detected in the fuel evaporative system. The usual culprit is a bad gas cap. Or cracked vacuum hoses between the tank and engine. OEM gas cap O-ring had many
http://wiki.answers.com/Q/What_is_a_P0456_engine_c...
Engine code P0456 for a 2003 Dodge Ram 1500 = EVAP Emissions
http://www.chacha.com/question/what-is-engine-code...
Possible Causes: EVAP fuel tank or canister vapor hoses leaking or damaged.EVAP system component leaking, fuel cap loose or missing.Leak detection pump damaged or leaking.
http://www.fixya.com/cars/t14735173-code_p0456_mea...
Try and replace the gas cap and see what happens, also have you possibly been filling the gas up while the car is on? if so that could cause this code to come up.
http://answers.yahoo.com/question/index?qid=201307...
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