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03-16 Dynamic test for backleak of injector ▶ Warm up the engine so that the engine the engine again. Disconnect the injector return hose and cover the openings with caps shaped screw (included in the special tool). 1. 2. Connect the hose of the container for measuring backleak to the return nipple of the injector. Start the engine again and let the engine idle for 30 seconds. Perform backleak test of fuel system with a diagnostic device after 30 seconds. 3. 4. 5. This test consists of 4 cycles, and the engine rpm reaches 3,500 rpm for 18 seconds in each cycle. Check the amount of backleak collected into the container and confirm that it is within the specified range. 6. Specification 38 ml or less |