It should be just behind the air cleaner. You can feel back there and find the suction line, then feel along it to find the valve. It will be hard to see. You can access it from the open hood, you shouldn't have to remove the doghouse.
The low pressure port on a 1993 Ford Ranger is located close to the firewall. It can be seen just under the air filter housing.
the diagnostic port is located behind the fuse box on the passenger side inner fender well
The one on the passenger back side, closest to the firewall.
the OBD2 port is below the steering wheel on the right side. It will be a plastic connector with a tapozoid shape.
low-side charging port, located on top of the accumulator/drier, on the passenger's side firewall under the hood.
The low side service port on your 1993 Mitsubishi Eclipse can be found on top of the air conditioner compressor. The low side service port will be labeled as the low pressure port.
Same side as the high side,look way back above the right side of the engine. It's real hard to reach.
how do i get to the low port of the 2003 ford focus to add free-on
on the canister by the firewall on the passengers side
The low side will always be the suction side, the larger hose.....
On a 1993 Ford Explorer : The EEC TEST connection should be in the engine compartment by the Power Distribution Box * located in the engine compartment , on the passenger side , and I BELIEVE it is BEHIND the PD Box
The EVAP Service port is on the firewall on the passenger side, right next to the low side service port for the A/C.