the first thing you have to do is seperate it from being mechanical or electrical problem with the fuel pump. first do a fuel pressure test to see if you got pressurized pressure, then try to see if the pump works when you turn the key if not start checking fuse, relay, inertia switch and fuel pump circuit.
1991 mercury cougar i need to know the egnition timing engine is a 3.8 v6.
You need an oil change.
Need a little more information. there are a number of reasons why your cougar would run rough. Anywhere from the mass oxygen sensor to the idle control sensor, oxygen sensors and on and on.
The starter is located on the front side of the transmission in this model of the Mercury Cougar. If you need to work on it make sure the transmission is cold so as you do not burn yourself.
you need a new transmission
I have a 1999 mercury cougar v6 2.5 liter engin and it needed a two bolt lower control arm on the passenger side
That means that you need power steering fluid!!
you dont need to cause it has a factory tachometer
According to my Chilton's Auto Repair Manual : For the 3.8 liter V6 engine in a 1991 Mercury Cougar : With engine oil filter change : ( 5.0 US. quarts )
it has a total of four
No, you need to use the grill from a 99-00 cougar if you want to use their headlights. I think there are some issues with the lights not clearing the bumper cover on too. Read through some of the headlight threads on newcougar.org, that should be able to better answer your questions.
To open the hood on a 2001 mercury cougar when the hood latch cable snaps you will need to release the mechanism from the underside. You will need a mechanics prybar and look up from underneath the car, place the screwdriver tip in the release mechanism and turn.