DIY or Pro: Spark Plug Replacement in 1–2 Hours

Decide whether to DIY or book a pro for spark plug replacement. ASE-certified safety checks, real costs ($3–$30 per plug), and typical 1–2 hour DIY time.

Decide whether to DIY or book a pro for spark plug replacement. ASE-certified safety checks, real costs ($3–$30 per plug), and typical 1–2 hour DIY time.