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How do you change spark plugs in 2003 jeep wrangler x 4 cylinder?
Wiki User
∙ 12y ago
Use a spark plug socket, long extension and ratchet. Don't over-tighten the spark plug. Just snug.
If you are changing the plugs, you might as well change the wires, cap and rotor as well. It is an inexpensive do it yourself job, (about $80 depending on what brands you buy). Just be very sure you write down on a piece of paper, what wire goes to which plug from the cap. Otherwise you will be in the shop getting it fixed. If you do not follow the correct order, you will have miss fires.
Wiki User
∙ 12y ago
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