FAST DIAGNOSTICS FOR HARD STARTS & POOR ENGINE PERFORMANCE – Designed to quickly identify ignition-related issues such as hard starting, weak acceleration, or increased fuel consumption. Easily compare spark intensity side by side to quickly identify weak or failing plugs.
The Upgraded SP02 ANCEL SP21 Spark Plug Tester, Dual Holes Test Orange is best suited for automotive or engine repair professionals, hobbyists, and DIY enthusiasts who frequently test and replace spark plugs for various vehicles.
