Mechanics

HOW TO CHANGE SPARK PLUGS YOURSELF

1993 Ford Aerostar

1993 Ford Aerostar 6 cyl Two Wheel Drive Automatic 102000 miles

fail emission test need spark plugs change how can i
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Nevadaice08
October 3, 2010.



They are not that hard to do. I strongly recommend only doing one at a time so you don't mix up the plug wires.

Remove the plug wire from the plug, loosten and remove the old spark plug, properly gap the new plug, install it and replace the plug wire.