Product Description
The Gunson 77176 Spark Plug Tester provides a fast and reliable method of checking the condition and performance of spark plugs by simulating engine operating speeds from 1000 to 5000 RPM. Featuring two testing ports, it allows two spark plugs to be tested and compared simultaneously, making it easier to identify weak or faulty spark plugs.
Powered from the mains supply, the tester is supplied with an AC power adaptor and features a clear hinged protective cover to help shield the user during operation. Ideal for professional workshops, home mechanics and classic vehicle enthusiasts, it provides a convenient method of assessing spark plug performance before replacement.
Features and Benefits
• Simulates engine speeds from 1000 to 5000 RPM.
• Twin testing ports allow two spark plugs to be tested and compared simultaneously.
• Helps identify weak or faulty spark plugs quickly and accurately.
• Clear hinged protective cover helps improve operator safety during testing.
• Supplied with AC power adaptor with UK 3 pin plug and EU mains adaptor.
• CE and RoHS compliant.
Workshop Notes
A faulty spark plug can cause poor starting, engine misfires, reduced performance and increased fuel consumption. Testing and comparing spark plugs before replacement can help identify ignition faults quickly and may prevent unnecessary replacement of serviceable components. This tester is particularly useful when diagnosing intermittent ignition problems or checking spark plugs removed during routine servicing.
Important Information
Designed for testing removed spark plugs only. Always remove spark plugs from the engine before testing and ensure the protective cover is closed during operation. Please follow the manufacturer's operating instructions at all times.
Specification
Power Input: AC 100 to 230V
Power Output: 12V / 1A DC
Simulated Engine Speed: 1000 to 5000 RPM
Weight: 0.59kg
Height: 101mm
Width: 150mm
Depth: 168mm
Why Choose Gunson Tools?
For over 80 years, Gunson has been developing practical automotive diagnostic, testing and tuning equipment for professional technicians and classic vehicle enthusiasts. Their products are designed to simplify fault finding, improve workshop efficiency and provide reliable results, making Gunson a trusted name in automotive maintenance and engine tuning.
