what is leak detection pump?

The leak detection pump is usually not the only problem. Do yourself a favor, go to your favorite mechanic, have him check your codes and give you a free estimate for repairs. This will keep you from getting migrains in the future. Goodluck, Helpfull4u

IF your talking about passing emissions inspection , check your local laws concerning repairs/costs/& waivers or exemptions BE EDUCATED OR GO BROKE LEARNING? good luck