How long does it take to change spark?
How long does it take to change spark? Can I replace my own spark plugs? Changing spark plugs takes about an hour (for a four-cylinder engine) and will save you at least a hundred bucks in labor. You can use the same old tune-up tools (ratchet, spark plug socket and gap gauge). How much does it cost to replace a spark plug on an expedition? Ford Expedition Spark Plug Replacement at your home or office. Ford Expedition Spark Plug Replacement costs $210 on average. Following is a breakdown of the labor and parts estimates. What are spark plugs and how...