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What is the air conditioner layout in a 1999 ford escort?"
It doesn't have one.
Under the hood in a black box near your battery.
autozone.com has online manuals
You will find the mass air flow sensor INSIDE the round plastic housing between the engine air filter and the engine air intake tube on your 1998 Ford Escort ( you can see where the wiring connects )
perhaps it is water from the air conditioner, sometimes the drain hoses come loose.
Below the glove compartment above the passengers right foot.
Buy a kit at Wal-Mart or auto parts comes with instructions
the idle air control valve most the time
First check to see if there is freon in the system and if yes then check the pressure switch and pigtail........
Lot of smarts in that psointg!
which is the air conditioner relay on a 99 ford ranger