If you have a 'misfire', that can be caused by low/no fuel pressure, a faulty fuel injector, a weak or no spark, lack of compression due to a blown head gasket, or a damaged intake/exhaust valve. If you are not sure how to find cylinder #6 (or diagnose all the above mentioned possible problems), have a reputable shop diagnose your car's sluggish driveability issue and recommend necessary repairs.
Check this link for the firing order of your vehicle, http://www.wellsve.com/custom_searches/ds_firing.php
There is a company that independent auto repair shops get their information from, this same information is available inexpensively for people that work on their own cars.. The information is year make and model specific, covering repair procedures, torque specifications, fluid capacities and specifications, service bulletins, component locations, wiring diagrams ect.... Alldata is very easy to navigate http://bit.ly/AllData_Repair_Manuals_Online