It is on or near the receiver dryer or shiny looking thing at the right rear of the engine compartment. You need gauges to correctly add refigerant as you can overcharge it.
The EVAP Service port is on the firewall on the passenger side, right next to the low side service port for the A/C.
The low pressure service port for the AC on a 1998 Olds Aurora is located on the side of the accumulator. It is at the back of the engine compartment, on the passenger side.
Try near accumulator/drier on the firewall passenger side
The 2001 Ford Expedition low pressure service port can be found on the top of the air conditioner compressor. The low pressure service port should be labeled as such.
Attach a fuel pressure gauge to the service port on the fuel rail.
The 1998 Plymouth Grand Voyager low pressure port can be found on the top of the air conditioner compressor. The low pressure port should be labeled as such.
Where is ac low pressure service port on a 1990 ford mustang
The low pressure service port on your Chevrolet K 1500 air conditioning compressor will be the one closest to the front of the engine compartment. The low pressure service port should be labeled.
The 2000 Acura air conditioner low pressure service port can be found on the top of the air conditioner compressor. The low pressure service port will have a blue top.
the passenger side near the firewall
The 1998 Ford E3 50 low pressure air conditioning port is located on the air conditioning compressor. The low pressure port will be on the right hand side of the compressor.
The port is located on the low pressure line. The low pressure line is the larger of the two lines coming from the A/C compressor. Also it should have a blue cap covering the port.