The first thing that you need to check will be the vacuum hoses for leaks, breaks or loose fitting ones.....
I would look for a Vacuum leak possibly under hood. Does your Cruise control work?
Sounds like a vacuum problem - leak either under hood or under dash -- could ba a bad vacuum motor under dash Defrost is the default position for this system
Cougar Energy was created in 1994.
No , a 1994 Mercury Cougar is rear wheel drive
Ultimate Body Blows was created in 1994.
Ultimate Body Blows happened in 1994.
A 1994 Mercury Cougar is OBD I , EEC - IV ( there should be an EEC TEST connection in the engine compartment )
MAP Sensor on a 1994 Cougar is located on the firewall. Has a vacuum hose coming from it and an electrical connection.
A 1994 Mercury Cougar is ( OBD I , EEC IV ) There should be an EEC TEST connection in the engine compartment
r134a
if your 94 cougar has the 4.6 v8 u can only use the trans from a 94 or 95 cougar or thunderbird with the 4.6 v8
Idk know but mine does it when i start off from a red light or stop sign and as soon as i let off the gas or it changes gears (automatic) it comes through the vents like normal.