Equipped with a bright neon bulb, the spark plug coil tester's metal head easily connects to the ignition system of a 220V vehicle, allowing for quick detection of ignition system issues. The spark plug and coil tester is constructed of plastic and stainless steel for safety and durability.
High-quality spark plug test light, the metal head is easy to use
Durable copper high-voltage wire, internal card holder
The inline spark plug tester is mainly used to detect the ignition performance of the spark plug, the output status of the ignition coil, and the working condition of the entire ignition system. It has important applications in many fields such as automobile maintenance, production quality inspection, and testing small internal combustion engine equipment. It can not only quickly diagnose faults, but also optimize engine performance and reduce emissions.
Model | SISCO-SPT-123-4 |
Detection System | Automotive Spark Plug |
Applicable Vehicle Voltage | 220V |
Operating Temperature | -5°C to 30°C |
Dimensions | 104*195*35mm |
Metal Terminal Material | Stainless Steel |
Bulb | Neon Bulb |
Q1: What is a spark plug coil tester?
A1: A spark plug coil tester is primarily used to test the ignition coil's voltage output, electrical performance, and spark plug ignition capability to ensure proper operation of the engine's ignition system. It simulates actual operating conditions and can quickly diagnose faults such as misfire and jitter.
Q2: How to use an inline spark plug tester?
A2: Remove the spark plug from the engine and insert it into the tester's dedicated socket. After powering on, observe the spark color and intensity. A normal spark is a strong, blue, continuous, and stable one. An abnormal spark is a yellow, weak, or intermittent one, indicating spark plug degradation or ignition system failure.
Q3: How does an inline spark plug tester work?
A3: A built-in boost circuit converts low-voltage electricity into high-voltage pulses, accurately replicating the actual operating voltage environment of the ignition coil. It simulates ECU control signals to trigger a high-frequency discharge (1 millisecond level). Observe the spark color (blue is optimal), continuity, and intensity, while simultaneously testing the electrode gap and insulation performance.
Tips: What does an inline spark plug tester do?
Visually evaluate spark plug performance by generating a high voltage, creating visible sparks between electrodes, simulating engine operating conditions. The spark plug wire tester can also measure resistor shorts and open circuits for ignition system diagnostics, testing circuit integrity.
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