“How To”: 2011 GMC Acadia Spark Plug Replacement
Changing the spark plugs on a vehicle is one of the staples of basic car maintenance. Modern iridium plugs can last up to 100,000 miles, so the frequency of changing them is far less, but just as vital.
A bad spark plug can lead to serious and even catastrophic engine failure. Thankfully, it’s an easy job that only requires a few tools.