I need to change spark plugs in a 2000 ford ranger xlt?
I have a 2000 ford ranger xlt truck; the check engine light is on and the computer shows that #1 and #3 are misfiring; I need to change the plugs/wires, but there is not a diagram in the book, nor can i see one on the manifold/engine area. A: Don’t change your spark plugs yet. Many other problems are much more likely unless your plugs are due to be replaced according to your Ford maintenance schedule. Many platinum tipped long life plugs are good for 80000 miles or more. You are probably in the early stages of “throwing parts at the problem”. It pays to do a little diagnosis first, especially with an engine misfire error code. However, I agree that the first order of business is to make sure your basic “tune up” and maintenance items on the truck have been maintained according to Ford’s maintenance schedule. Note that you can easily damage the spark plug wires when trying to remove them from the spark plugs if your not careful, which can actually create an ignition spark problem rather
