2004 Ford F150 "focus runs smooth" Questions

...when cold My 2003 Focus runs idles very rough but smooths out when warm. Anybody have any ideas? This could possibly be a faulty engine coolant temperature sensor. these sensors are prone to

...Focus. It runs fine and relatively smooth up to about 55-60 mph. At 65mph and higher the car starts to shake and at 80mph the shaking definitely feels unsafe. Do you think this is related to tire ...

...Focus w/166K miles; check engine light came on. Changed filters, spark plugs added fuel injection cleaner to gas. Ran smooth and great for about 8 miles. Now will not stay started and running ...

focus tdci is a pig to start in the cold, fine when warm. have changed glow plugs and have conected them direct to the battery for 15 secounds but still a pig to start. will start eventualy if cranked

my puma is getting very noisy in 5th gear making a werring sound, any ideas what this is at it only kicks in after 50mph Sounds crazy, but it could be tire balancing on a rear tire. While the car is ...

...focus ZX5 2003 runs very well. In hot season after starting I can run as many km I want. But if I run it few km and turn off, again start it and run for some more km by doing so When I start it ...

the Ford Focus 1.8 TDCI will not start. Glow plus replaced but will still not go. Three quarters full of diesel always run smoothly in the past but not a pop now. Could you please help Hello ...

I passed the emission test 2 days ago..now my car seems not to ride smoothly with wanting to go faster yet pulling like not having the energy to do so. It's been a while since I had a tuneup....Feels ...

...Focus and it seemed to be running smooth. As I was driving at about 55 mph, everything power just shut off and the car continued to coast. This just lasted for a few seconds and as I was coasting it ...

My 2000 Ford Focus 4 cl runs smooth when 1st started then after it warms it starts to run rough That's a sign that the spark plug wire's are breaking down, replace.