Is it time to change out my spark plugs?

I installed bosch platinum spark plugs in my 1994 honda civic ex in the summer of 2006. I drive about 15,000 miles a year on average, so it it time to change them now and if not, how long do i have left?Is it time to change out my spark plugs?Yes.Is it time to change out my spark plugs?Try to install NGK this spark plug is designed for a honda bosch are designed for european cars, second, its always a good idea to change spark plugs every year if you have not reached the mileage limit. I would recommend changing them.Is it time to change out my spark plugs?Platinum tips plugs last long but you'v had your in for long so replace em I'd say. As plugs get very old, they can break off tiny bits %26amp; damage your engine (ware it out faster anyway). New plugs will improve fuel economy %26amp; power slightly.Is it time to change out my spark plugs?Yes, its time to change them. It is usually recommended to change them every 30,000 miles.Is it time to change out my spark plugs?60k miles for platinum plugs, 30k for regular plugsIs it time to change out my spark plugs?Usually it is anywhere from 35k to 90k.Unless your having some kind of trouble I would wait another couple months.