I have a 2005 Dodge Magnum RT. It has 30,000 miles on it now. Do I need to change spark plugs now or wait until I have a miss or poor fuel milage. Are the plugs hard to change?

Thanks for info
Black RT

 

in your manual, does it saw whether you have platinums or not? Interval changes should listed in your user manual.

 

those hemis have regular copper core sparkplugs and should be changed at 30k. it is very easy to do on that motor. just need a 5/8 sparkplug socket and a 4" extension to get at them. make sure you use some antiseize on the threads