It happened to me, im not saying it is the same thing but look into it, mine was a actuator and pin in the steering column that was broken and wouldn't pull back when you turned the ignition off.
AnswerSounds like you have a bad ignition switch. It stays in the run position instead of going to the off position and stopping the flowing of current to the ignition.The firing order of the 1996 Mercury Cougar is 1, 3, 7, 2, 6, 5, 4, 8. This is for the 4.6 Liter engine.
1996 mercury 2.8 liter engine V-6. What is the firing order? 1,4,2,5,3,6
According to the 1996 Mercury Cougar Owner Guide : ( 18.0 US. gallons )
According to the 1996 Mercury Cougar Owner Guide : With engine oil filter change : The 3.8 liter V6 engine takes ( 5.3 US. quarts , 5W-30 PREFERRED ) * the engine oil level dipstick is used to determine the exact fill requirement
There isn't any fuse then is linked to the alternator on a 1996 Mercury cougar. The alternator has an internal regulator, but does not have a fuse.
Follow the troubleshooting tree that is associated with that code.
Look at the lower rear end of engine - follow cable from starter solenoid
I'm assuming it is the same as the ( 1996 ) Mercury Cougar 4.6 liter V8 : With engine oil filter change : ( 5.0 U.S. quarts should put you almost to the full mark )
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
I can't say for sure , but the ( 1996 ) Mercury Cougar is ( 18.0 US. gallons ) * also the 1991 Mercury Cougar is 19.0 US. gallons
The ( 1996 ) Mercury Cougar gas tank capacity is ( 18.0 U.S. gallons )
On a 1996 Mercury Cougar : The 3.8 liter V6 engine has ( 1 timing CHAIN ) The 4.6 liter V8 engine has ( 1 timing CHAIN to each cylinder head , so there are 2 timing CHAINS )