What is the most effective way to check if an engine injector is damaged?
First, disassemble the oil return pipe of the injector on the engine cylinder head, and first remove the oil return pipe joint
Then start the engine.
Such a large amount of oil return proves that the injector is internally worn and needs to be replaced or repaired.
This amount of oil return proves that the injector is normal
When the fuel supply is suddenly interrupted, the engine’s idling will become rough and irregular instead of smooth
. Reduced fuel efficiency is another sign of bad fuel injectors. This damage can cause fuel to leak from the body or supply too much fuel when the internal spring is damaged, thus wasting fuel
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What tools can be used to check an injector?
To test for possible damage to the fuel injectors, you’ll need a good pair of earplugs, a battery gauge, and a multimeter. First, plug in your multimeter to the positive battery terminal. Next, turn the engine on and plug in your earplugs. When the meter reads 0 volts, you’re all set to begin testing
How do you check the condition of fuel injectors?
While the engine runs, put the tip of a long metal screwdriver against one of the fuel injectors. Lean in and put your ear on the handle of the screwdriver. A clicking sound indicates a good injector. If you don’t hear anything, the injector may need to be cleaned or replaced.