Remove the battery. Drain and remove the radiator- draining from the popcock takes some time, so you can do other things. There will still be coolant in the motor, so I suggest leaving the lower radiator hose on the motor, and taping it over to prevent spillage. Remove the battery cables from the motor and starter. This might be an issue anywhere between a bad spark plug to an O2 sensor. The most common issue in a Focus is either a catalytic converter or a bad battery. A flashing light is indicative of a major issue that needs to be addressed immediately. Ford Escape Check Engine Light: Codes from your onboard diagnostic system can help to diagnose the M14x1.25 FORD TRITON Commonly used for spark plug blow outs in Ford 3.0,4.6, 5.4 and 6.8 liter 2 valve or 4 valve Engines Additional vehicles click here: Salt Lake City, UT. Washington, DC. Seattle, WA. Tacoma, WA. The average price of a 2009 Ford Focus spark plug replacement can vary depending on location. Get a free detailed estimate for a spark A faulty coil pack will generally have symptoms similar to a faulty spark plug. Some of the most common tell tale signs that a coil may be defective include: A rough idle. An unexplainably louder-than-usual engine. A noticeable lack of power. A significant drop in RPMs while accelerating for no apparent reason. I have a serious problem here. When Replacing my Spark Plugs, the Plug in Cylinder Two, cracked on me; when removing the Plug, a piece of plastic fell into the Cylinder.. (I watched it, tried to save it, but failed) So i haven't Tried to Crank my Car, because I know it would/could cause Damage to my gasket/head. I actually haven't moved my car. Step One. Turn Finger Tight. A new or reinstalled plug with a new gasket will require ⅜-⅝ turn to effect a gas tight seal depending on head material. Note: If using a torque wrench, please refer to the Torque Recommendations chart below. 8 posts · Joined 2014. #11 · Feb 23, 2014 (Edited) 2008 Focus FE 2.0 Engine. I just changed my original spark plugs with 132,000 miles on them and they gapped and looked just fine. They were an iridium plug ITR 5F13. I replaced them with the Motorcraft SP-448 (AGSF-32Y-PC) that appeared to be identical. Below are eight signs of faulty spark plugs that you should keep an eye out for: 1. Car Feels Rough at Idle. If you’re dealing with a bad spark plug, you’ll likely experience rough idling, which may include rattling noises, excessive vibrations, and sudden surges or drops in the internal combustion engine’s RPM. This tool can help you diagnose the definite problem. Tips for changing spark plugs on your 2015 Ford Focus. It is a great idea to have some dielectric grease handy. Please make sure you reference the video above before you attempt to repair the spark plugs on your 2015 Ford Focus, as well as review your factory service manual. ftGx3.