Underside of the trunk! 4 11mm bolts hold protective cover.
The vapor pressure sensor is located n the charcoal canister which is located in the rear of the vehicle adjacent tot eh fuel tank
In the gas tank.
It must be on the charcoal canister. the charcoal canister should be located in the back of the car near the fuel tank.
The evaporative emission system consists of the fuel tank, the vapor lines(run from the tank to the engine), the purge solenoid(under the hood), the charcoal canister(next to the tank), and the leak detection pump(next to the tank).
Charcoal canister located at the rear by the fuel tank - see picture on this site (see related links). Hope this help.
Yes, same part number.
The fuel filter is located directly behind the fuel tank (direction of the rear bumper). It is the metallic canister with a quick connect on one end and a Nut style connection on the other.
The Charcoal canister for a 99 Grand Prix Gt in in the drivers rear tire well. you have to remove wheel and then a plastic cover to get to it.
The carbon canister in the 99 Elantra is in a plastic case mounted to the frame just behind the driver's side rear tire. There are fuel vent line entering it and there is also an electric line that connects to an emission sensor.
Under the gas tank inside the box with the black canister.
No
The relay for a 99 Grand Marquis heater is located on the kick panel on the driver's side of the car. The relay is located under the kick panel cover.