Self-Contained Spark Plug Voltage Tester - OTC Tools and Equipment

The OTC Tools and Equipment 3141 Self-Contained Spark Plug Voltage Tester offers professional-grade ignition system diagnostics in a compact, hand-held unit. This affordable tool provides critical data for precise troubleshooting of spark plugs, plug wires, ignition systems, and fuel control, enabling technicians to efficiently pinpoint combustion chamber issues. It delivers diagnostic capabilities typically associated with larger, more expensive units, all within a portable design that fits in the palm of your hand.

Key Features

• Delivers live, minimum, and maximum readings for spark plug firing voltage, burn time, and burn voltage.
• Enables accurate and professional diagnosis of spark plugs, plug wires, ignition systems, and fuel control factors impacting combustion.
• Compatible with conventional, distributorless, and direct spark ignition systems, utilizing an additional spark plug wire for direct spark applications.
• Features a straightforward rotary switch for quick selection of measurement parameters.
• Equipped with an internal battery and an on-screen indicator for timely replacement.

Applications

This versatile spark plug voltage tester is suitable for use on any gasoline engine. It is an essential diagnostic tool for motor vehicles, including those with conventional and distributorless ignition systems, as well as direct spark systems. Beyond automotive applications, it can be effectively used for diagnosing ignition issues in lawn mowers, snow blowers, motorcycles, personal watercraft, snowmobiles, marine engines, and various industrial equipment.

Specifications

• Weight: 1 lb. 1 oz.