where can i find the fuel leak sensor on the emission?

There are more than one sensor what was the code stored? There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online

Check the evap cannister purge solenoid for being stuck in open position. When de-energized, you should not be able to blow through it. The purge solenoid valve is under the hood on the driver's rear of the intake manifold area. Also, please include the engine codes that were read.