Suspension, drop links knackered - worn bushes.
Exhaust - uses 2 backboxes joined across the rear, this is a bad design as when the pipe breaks off the silencer, it drags along the ground, damaging the other silencer into the bargain.
Moosing - this is a real pain, it's a loud humming noise caused by resonation of the plenum chambers I think. Ford say that this is normal - cos they aren't bothered about after sales service!
Lack of power - This is intermittent, and usually the car is struggling after 110 MPH to do any more. Can't decide whether its the IMRC (Inlet Manifold Runner Control - Opens the Secondary 12 - 24 Valves over 3250 RPM) or the Auto Box at fault. It's a real pain, as the car is great at slower speeds.
Air-Con -- HA HA HA, what air-con? - Condensor punctured due to its bad positioning at the front of the car, Ford want £500 to repair!- air "CON"!
Starter Motor - Misses the flywheel on occasions - either faulty starter or teeth missing off the flywheel - VERY EXPENSIVE repair if it's the flywheel!!, Had a Cortina 2.3 V6 that did this as well - seems to be a common fault.
Heater blower - Resistor burns out so that it only works on Setting 4 - fastest one.
It's a beautiful powerful car with all the bells and whistles, and at 8 years old, it's only expected that a few faults like the above will appear.
I loved it to pieces - so quiet and sleek with a lovely leather interior, the sheer grunt of the Duratec V6, beating boy racers at the lights!
The automatic is so smooth, but it's a LUXURY rather than performance feature, as the torque convertor zaps the power and lowers the top end speed, but well worth it for a long cruise in the country.
The cruise control is another great feature (not on the ST24), and so are the heated seats and trip/fuel computer.
The starter was an inconvenience, but I lived with it.
The only reason I sold it was that it was SO THIRSTY ON FUEL it just wasn't funny! 19MPG round town and 33 MPG on a run, averaging 25 mpg on the whole.
Also, the Ford Dealers were so PIG IGNORANT and USELESS at giving good service - 6 weeks wait to get a duplicate PATS key, LONG QUEUES AT THE PARTS COUNTER - ONE MAN on, taking an eternity to get each part, and having the usual nonchalant attitude of "You have to use us or get another make of car!