[chrisanthony]

Originally Posted by AzTumbleweed

There is no special order to install the spark plugs. If you are talking about putting the right wire on the right plug then you would know immediately because the car would barely run or not run at all. Since you get the same mileage with the new plugs that just proves that the 'fancy' more expensive plugs are not any better than standard plugs. If you went to a reputable shop then there is no reason to believe the mech did anything wrong.

I recently installed iridium spark plugs and man do i see a difference, it starts right up in the cold Canadian -32 winter and better acceleration. But then again not to sure about the platinum’s.