Have a 2010 lincoln mkx and can not figure out what is causing the misfire. Its a cylinder 3 misfire. Does not happen if the engine is cold when the car starts. Will happen after cars been drove a bit and engine warms up and then if the car is shut off for 10 mins or so it will start misfiring. Leave the car sit long enough qnd the misfire doesnt happen. Have change the spark pugs and coils already. Any help would be appreciated.
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