When do you replace spark plugs, coil packs, and fuel filters on 2007 nissan versa? I do my own tune ups and on my older vehicles I would always get about 30,000 miles and replace spark plugs. I cant really see even where the spark plugs are on my versa so I am thinking I may get more miles from them since it looks like it may be a pain in the butt to replace them? I have 56,000 miles and only thing I have changed is the oil.. Please let me know if I am coming up or past due on fuel filter or coil packs or spark plugs.. Thanks guys..