If you mean the lower and upper side service ports they are under the bonnet.
To be a little more precise, the refill ports are a) just to the left of the bonnet catch next to the grill, and b) below and left of a, feel around following the air con pipes towards the underside of the drivers wheel arch... it is there.
under the hood, on the right side , middle, with the blue cap on it. usually hidden under a hose
The 1993 Ford Ranger air conditioning charge valve can be found on the top of the air conditioning compressor. The charge valve will be marked as the low pressure valve.
Look on the lines for what appear to be tire valves with plastic caps, should have (2) one for high side one for low
The air conditioning recharge valve on the 2003 Ford Explorer 4.6 is located on the low pressure side of the air conditioning system. Located on the line coming from the accumulator to the compressor is the recharge valve.
The 1999 Ford Ranger low pressure air conditioning valve can be found on the air conditioning compressor. The low pressure valve will be labeled as the low pressure port.
inlet 0.20 exhaust 0.30
What is this low pressure value your looking for do,is it for a air conditioning,more info needed,car,make,model,engine size,what kind of problem are you having.please leave more info. yes, it's for the air conditioning freon refill on a ford focus 2003
its behind the air filter
The Ford Festiva ECU valve can be found on the firewall in the engine compartment. The valve will be on the drivers side of the engine compartment.
Fiesta's have a common fault with the heater control valve failing closed. You can get a new one from Eaby for £15
its screwed in the right hand side of the engine
inlett is 0.2 mm outlett is 0.3 mm