remove fuel rail and any hoses plus air cleaner
The spark plugs on a Ford Explorer are replaced by first disconnecting the battery. Remove the spark plug using a spark plug socket. Replace with the factory recommended spark plug.
you have to replace all of your spark plug wires. there is a coil built into the top of each boot that goes over each spark plug. that's why the wires are so costly.
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The spark plug gap for the 5.0 L - V8 engine - in a 1999 Ford Explorer is ( .052 - .056 inch )
How do I replace the spark plugs in a 1999 Cadillac Catera?
The gap is .054" for a 1999 Ford F-250.
Pull them out and replace them one at a time.
.054 inch
.052-.056
Use a spark plug socket with extensions.
Use a spark plug wrench?