Dallas-Fort Worth Metro Area Auto Repair

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Arlington North
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(817) 459-4004
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Arlington Southwest
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(817) 465-9955
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Colleyville
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(817) 788-2489
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Coppell
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(972) 304-6206
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Dallas Carrollton
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(972) 713-6666
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Dallas Beltline
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(972) 716-0696
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Duncanville
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(972) 780-2501
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Euless
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(817) 571-5700
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Fort Worth Southwest
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(817) 292-5700
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Fort Worth Fossil Creek
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(817) 427-1800
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Garland North
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(972) 530-2886
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Grand Prairie East
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(972) 262-9090
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Lewisville
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(972) 434-4340
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Plano
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(972) 618-4153
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What are the Signs of Clogged or Dirty Fuel Injectors?

Fuel injectors play an important part in a vehicle; they regulate the quantity and timing of fuel entering the combustion chamber throughout the power stroke, guaranteeing optimal combustion and efficiency. However, like any other vehicle part, fuel injectors may malfunction without proper maintenance, resulting in certain noticeable signs highlighted below.

Low Gas Mileage

If your fuel injectors are leaking, you will notice a considerable drop in your vehicle's fuel efficiency. This is because the fuel injectors are leaking additional gas into the engine and the engine is burning it off. You may notice additional black exhaust if the situation is severe. Additionally, poor fuel efficiency may be caused by an engine that is pushing too hard to create power due to clogged fuel injectors.

Dead Engine

If you can't get your car started at all, this might be a sign that your fuel injectors are clogged to the extent that they cannot spray fuel into the intake manifold or straight into the cylinders. Signs like sputtering and stalling before the dead engine might indicate blocked fuel injectors or a blockage in the fuel system.

Dancing RPM Needle

While the vehicle is idling, take a look at the tachometer to check the RPM needle behavior. If the RPM needle is bouncing about or dancing, it's either receiving too much air or too much fuel, depending on the situation. Fuel injector leaks, clogging, low fuel-air mixture, as well as vacuum leaks and air spurts, are all explanations of the RPM needle behavior.

Misfiring Engine

The engine of your car may misfire if the fuel injectors are dirty. This issue causes the vehicle to vibrate. Misfires may occur when a faulty fuel injector disrupts the delicate balance between the fuel and air entering the engine.

Rough Idling

Rough idling indicates that your car's engine is not receiving enough fuel, and one explanation for this might be that your fuel injectors are clogged. As the vehicle idles, you may notice your car vibrating and hear the engine cutting in and out. If your fuel injectors are severely clogged, the engine may stall. The vehicle is supposed to idle smoothly.

Conclusion

The fuel injector in your vehicle is in charge of delivering the correct quantity and timing of fuel to the combustion system. You may need to replace the fuel injector as it ages to prevent complicated issues with your vehicle that might be as catastrophic as complete engine failure. If you need fuel injector repair, we invite you to bring your vehicle to City Garage today! We have 14 convenient locations.