![]() P0456 code will typically not be accompanied by any noticeable symptoms other than the smell of gas and the service engine soon light. If there is a large leak, it’ll throw P0455. When there is a small leak in the Dodge Caravan’s EVAP system, it will throw the P0456 OBDII Code. Small LeakĪ small EVAP leak should not change the way your engine runs nor be considered a breakdown risk. Its primary function is emissions reduction. The EVAP system captures all fuel vapor from the fuel tank and sends them to the engine’s intake to be ignited during the normal combustion process. The code technically stands for evaporative emission system small leak detected. ![]() This means that regardless of vehicle make or model, the code will mean the same thing (Caravan or not). P0456 is a universal OBD II trouble code. ![]() Usually, = less than $200 for the common causesĭodge Caravan P0456 Definition: EVAP Leak (Small) Not a breakdown risk, usually no drivability issues
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