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2007 Jeep Commander Question: when to change spark plugs

 

Question

mschyll, 4.7L V8, Clinton Township, MI, November 20, 2009, 13:56
 Rookie

When do the spark plugs need to be changed on my 07 Commander with 39,000 miles?

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  • Medium-star Best Answer
    November 20, 2009, 14:14
     Master

    100,000 miles

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    Visitor, June 05, 2010, 08:42

    Owners manual says to change them every 30,000 miles

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  • Answer #2

    Bret Bodas from RepairPal Test Shop, November 20, 2009, 15:00
     Master

    Here is an online copy of your owners manual: http://www.jeep.com/en/owners/manuals/index.html
    Look under the maintenance section.

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    mschyll, November 20, 2009, 17:04
     Rookie

    Thanks for your help!

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