How to locate and change out all 5 spark plugs. Link to Rough Country H3 Lift Kit: Quick spark plug change on a 2007 H3. A lot of the h3 hummers have an issu…
How to locate and change out all 5 spark plugs. Link to Rough Country H3 Lift Kit: Quick spark plug change on a 2007 H3. A lot of the h3 hummers have an issu…
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