Fuel Injector Nozzle 0445120048 ME226718 ME222914 0433171886 for 4M50 4M40 Diesel

What does injector do?

injector, a device for injecting liquid fuel into an internal-combustion engine.

The term is also used to describe an apparatus for injecting feed water into a boiler.

In diesel engines fuel must be in a highly atomized form for proper combustion.

What are the signs of bad fuel injectors?

Bad Fuel Injector Symptoms: Does Yours Need Cleaning .

Here are a few signs that there might be something wrong with your fuel injectors.

• THE ENGINE MISFIRES. Dirty fuel injectors may cause your vehicle's engine to misfire.

• IDLING GETS ROUGH.

• YOUR GAS MILEAGE TANKS.

• THE RPM NEEDLE STARTS TO DANCE. 

• YOUR CAR WON'T START.

• THE CHECK ENGINE LIGHT GOES ON.

• YOU SPRING A FUEL LEAK.

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