The Honest Truth: How Often to Replace Spark Plugs (And When to Panic)
Forget the vague, fear-mongering advice you’ve read. You want a straight answer to a simple question: How often should you replace your spark plugs? The internet is a minefield of conflicting answers, ranging from the obsolete 30,000 miles to the wildly optimistic 120,000 miles. Let’s cut the nonsense. The non-negotiable first step, which you absolutely …