99 town car with p0306 code !!!
I have a 99 town car with 78,000 miles. I filled the tank and have run about 1/4 tank when the engine started to misfire. Got the Service Engine Soon light so went to O'reily. The OBDII code is p0306 cyl 6 misfire.
What would you check first? I'm in need of help on this.
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