Check engine light is on checked the code is p0452 evap pressure sensor

first you have to find the problem.could be a vacuum leak in engine area.could be purge valve solenoid,stuck.could be hose leaking on valve or vapor canister leaking.could be is a big word.the po452 code indicates,small leak detected,check under hood for a vacuum leak.sometimes hard to find.also check your gas cap,make sure it is tight,no cracks in seal/gasket on cap.if you can't find the problem,you need to have smoke test done.