Here's a link to Midcomustang.com FAQ it tells you where all the sensors are located http://www.midcomustang.com/engine_emission.html
ANSWER 2
Igintion Module or Igniter Assembly is located in the distributor... I have a PDF on how to change this!
Assuming it is getting fuel and you have no spark, replace the ignition module.
It already has electronic ignition.
first you push in your clutch and put your key in the ignition. then you turn the key clockwize until your capri springs into life.
the horns are located under the drivers side headlight
Mine is located on the firewall.Looks like a oil filter an has fuel lines.1991 capri turbo.
Mercury Capri was created in 1969.
Have the ignition module in distributor checked.... could solve your problem (it solved mine!!)
Inside the distributor, basically the first component you'll see and have access to once you remove the distributor cap. It has two Philips headed screws holding it in and two wires connected to it via push on blade connectors. If you're familiar with the old points and condenser ignition it is located where you would expect to find the points in other words.
what about a 1991 mercury capri? What's the question the answer is yes YESS!!!!!!
Where is the headlight relay for a 1991 mercury Capri
under dash at fire wall in ceter of console.
replace the balist resister replace the balist resister