Fuel pressure regulator.
30 psi from the doorjamb decal on my 1995 Cougar.
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
For a 1995 Mercury Cougar : ( " regular " unleaded gasoline , 87 octane )
A ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
According to a website I was looking at : For a 1995 Mercury Cougar , 4.6 litre V8 engine ( 15 city / 23 highway miles per U.S. gallon )
the rear one ========================================================== On a 1995 Mercury Cougar , 4.6 liter V8 engine : ( Bank 2 ) is the drivers side of the engine
They came with a 3.8L or the 4.6L.
On a 1995 Mercury Cougar , 4.6 liter V8 engine : firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of vehicle
On a 1995 Mercury Cougar : The automatic transmission fluid level dipstick is in the engine compartment , near the firewall , towards the passenger side of the engine ( at the rear of the engine where the transmission is bolted to the engine )
205 Horse power
Check local library for service manuals