Originally Posted by silverongold
well i do not know if any of my coil packs are good to swap around because it is throwing a code for all fou cylinders. is there a way to do it with a meter or some thing?
I doubt all 4 coils would go bad. Let us know how she feels after the drive with the new filter. If it's still misfiring, it may not be a bad idea to run a boost leak test.
Also does the car feel like it's misfiring? What are the symptoms besides the CEL?