Allsun EM276 injector tester with 4 pulse modes for effective diagnostics

The Allsun EM276 Injector Tester is an essential tool for diagnosing and maintaining fuel injection systems in vehicles. Designed for professionals and advanced enthusiasts, this device allows you to assess the condition of each injector individually, identifying whether it is stuck, leaking or burnt out.

This tester uses the vehicle's 12V battery as its power source, making it easy to use in any workshop or wherever the vehicle is located. Its compact and lightweight design, with dimensions of 147x82x29 mm and an approximate weight of 170 grams, makes it easy to carry and handle.

Key features

• Four pulse modes: Allows you to select from four operating modes to suit different injector types and tests:
• Mode 1: Single pulse with 250 ms width.
• Mode 2: 50 pulses with 7 ms width each.
• Mode 3: 100 pulses with 3.5 ms width each.
• Mode 4: Continuous pulse at a frequency of 50 pulses every 1450 ms, with 7 ms width.
• Pulse signal indicator: Lets you see when the pulse is being sent to the injector, making it easier to confirm operation.
• Power source: Works with the vehicle's 12V battery, with no need for additional batteries.
• Operating environment: Suitable for temperatures between 0 and 40 degrees Celsius and relative humidity below 80%.
• Storage environment: Can be stored in conditions from -10 to 50 degrees Celsius with relative humidity below 85%.

How to use the Allsun EM276 injector tester

1. Turn off the vehicle engine.
2. Connect the black clip to the negative terminal and the red clip to the positive terminal of the battery.
3. Connect the pulse output terminal to the fuel injector you want to test.
4. Press the "MODE SET" key to select the desired pulse mode according to the type of test.
5. Press the "PULSE" key to send the pulse to the injector; the signal indicator will light up to confirm operation.

Typical uses

This tester is ideal for garages and car maintenance enthusiasts who need to diagnose injector problems such as blockages, leaks or electrical damage. Its versatility in pulse modes allows it to adapt to different injector models and types, making it easier to detect faults early and help avoid further engine damage.

Package contents

• 1 carry bag for easy storage and transport.
• 1 detailed instruction manual for correct and safe use.
• The device does not include batteries, as it uses the vehicle battery for power.

• Accurately diagnose stuck, leaking or burnt-out injectors.
• 4 pulse modes to suit different injector types.
• Runs on a 12V vehicle battery, with no additional batteries needed.
• Pulse signal indicator to confirm pulse output.
• Compact and lightweight: 147x82x29 mm and 170 grams, easy to carry.
• Includes a carry bag and instruction manual.