Change Spark Plugs and Coils?
How often do i need to change the spark plugs and coils in 2000 Ford Expedition 5.4 4WD
Should not have to til you get a miss in the engine
It might have those spark plugs that break upon removing and therefore need a special tool to remove that. When you get a coil miss you can change that coil or change all of them at mucho cost as a preventive. Up to you. 100 k miles for the plugs.
Change them when they go bad. Usually, the interval between changes is long.
Google CARiD, they offer E3 spark plugs, which are guaranteed to be free from defects in material or workmanship for a period of 5 years or 100,000 miles from the date of purchase. Worth buying!
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