DTC P0456 - Evaporative leak fault code
05-12-2010, 09:40 PM
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Model: Cherokee
DTC P0456 - Evaporative leak fault code
2001 Cherokee engine light came on. Only had jeep for 4 days now. 95000 miles. Code is P0456. Read that this has been fuel cap issue. I cleaned the seal on the cap and the lip on the filler neck. I reset the code and will watch it. Also read that vacuum lines could be issue between engine and tank and leak detection pump and purge system. I don't have manual yet, so does anyone know where I can find evap system circuit diagram online?
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