How much does it cost to change spark plugs in a Ford Fiesta?
How much does it cost to change spark plugs in a Ford Fiesta? Ford Fiesta Spark Plug Replacement Cost Estimate. The average cost for a Ford Fiesta spark plug replacement is between $100 and $112. Labor costs are estimated between $46 and $58 while parts are priced at $55. This range is based on the number and age of Ford Fiesta's on the road. How do you change the plugs on a Ford Zetec? Then undo the x2 10mm headed bolts on top. Then with a quick tug, pull up the black cover. This will be tight as it is...