I did a search here and found some info but not enough,so help if you can please It will be under the purge solenoid and it has a 3 wire connector that goes to it It is the leak detection pump pressure switch
1999-2001 Jeep Grand Cherokee Leak Detection Pump - SKP SK310203
I need to know where it is located and how to fix it.
The fuel vapor leak detection pump is located in the fuel tank on the jeep grand cherokee
It is used to pump fuel vapors from the fuel tank into the engine so they can be burned off. The information you was given shows the location of the leak detection pump and the procedure to remove it for a 99 jeep grand cherokee Keep in mind that you even listed another vehicle, a 2004 mercury in the additional information section. Check engine light coming on showing code p1494 | find answers to your 1999 jeep grand cherokee question from certified mechanics and auto experts.
The leak detection pump is mounted in the engine compartment on the driver's side inner fender
