What is the average cost to tune up a 2004 Ford Explorer?

The average cost to tune up a 2004 Ford Explorer typically ranges from $200 to $500, depending on the specific services performed and local labor rates. A standard tune-up may include replacing spark plugs, air filters, and fuel filters, as well as checking and adjusting the ignition system. Additional costs could arise if other issues are discovered during the service. Always consult a trusted mechanic for an accurate estimate based on your vehicle's condition.