How to replace spark plugs on a 4.6 Ford engine?
How to replace spark plugs on a 4.6 Ford engine? Use a spark plug wrench to remove each of the plugs from the engine block. Set the gap on each of the new spark plugs with a gap tool. For the exact plug gap, see the owners manual for your Ford 4.6 engine. Install the new plugs into the engine block with a spark plug wrench. How do you replace spark plugs on a 1999 Ford Expedition? How to replace the spark plugs on your 1999 ford Expedition. Using the wrench, remove the spark plugs from the engine block. If...