FUEL INJECTOR PROBLEMS AND SYMPTOM

In injectors

Fuel injectors are a marvel of modern type engineering making cars more fuel-efficient whilst reducing the harm that is caused to the environment. Your injectors play a key part in the smooth running of your engine delivering fuel exactly when it is needed to optimize performance. Due in part to the technicality of a car engine and the importance of fuel injectors many drivers are put off from getting stuck in and diagnosing problems themselves.
We’ve put together this guide to instill in you the confidence to diagnose a fuel injector problem by spotting common symptoms and resolving it with some basic diagnostic tests. Not only will you be able to diagnose the problems but you’ll also save money at the same time by not having to take your car to a professional mechanic.

COMMON INJECTOR PROBLEMS

We’ve highlighted some of the most important injector problems below, many of which are easy to resolve. However, in others way, you will be required to replace the fuel injectors.

CLOGGED FUEL INJECTORS

A clogged fuel injector is unable to successfully supply fuel to the intakes manifold. Fuel injectors can become clogged due to the build-up of rust which often arrives through the fuel rails or fuel supply line. Often rust is the result of very poor maintenance when your car is in an idle state.

DIRTY FUEL INJECTORS

If your fuel injectors are dirty that can lead to a weak or inconsistent spray of fuel inhibiting engine performance. Injectors are subjected to rapid and again and again movement which generates substantial heat. As result, any fuel additives that don’t spray into the manifold can leave a residue that forms a crust when burnt.

FUEL INJECTOR LEAKS

Leaking fuel into your car engine system when it is not needed can be caused through a faulty part in the injector. For example, the mechanism that cools the injector may have a fault leading to their injector overheating and failing, causing a leak.

Leaking fuel into your car engine system when it is not needed can be caused through a faulty part in the injector. For example, the mechanism that cools the injector may have a fault leading to their injector overheating and failing, causing a leak.

FUEL INJECTOR FAILS TO OPEN

If your fuel injector cannot open it will not deliver fuel when it is needed. Often, if an injector cannot open it is due to faulty windings arising from overheating, a short out or a break way. If the fuel injector doesn’t open and there doesn’t appear to be an important issue with the windings the fault may be due to a build-up of rust.

FUEL INJECTOR FAILS TO CLOSE

If a fuel injector cannot close when required over delivery of fuel into the engine system can occur. That problem can arise through a faulty spring but also poor maintenance as rust or additives have built preventing the injector from functioning properly.

FUEL INJECTOR SYMPTOMS

As with many types of car-related problems, you will often notice an issue or something behaving differently that will alert you to check a particular part is in correct working order. We’ve outlined some of the most common and important symptoms that will give you a heads up to check your fuel injectors for a problem.

STRONG FUEL SMELL

One of the tell-tale signs of a fuel injector problem is the smell of fuel. That can be attributed to an injector that is oversupplying fuel as it cannot close or a leak in the injector due to a faulty part.

POOR MILEAGE

If your fuel injectors are delivering fuel inefficiently your mileage will inevitably reduce. As with the smell of fuel that can be attributed to an injector that cannot close or leaks.

ENGINE DOESN’T IDLE SMOOTHLY

If you are noticing that your engine idling unevenly that can be due to a dirty fuel injector, which is delivering an uneven and inconsistent supply of fuel.

INCONSISTENT ENGINE POWER

If you notice fluctuations with the RPM gauge on your dashboard there may be an issue with your fuel supply. This can be attributed to a dirty fuel injector.

ENGINE IS MISFIRING

If your engine is receiving an insufficient amount of fuel that is likely to misfire. If you are noticing engine misfiring issues that can be down to dirty or clogged fuel injectors or an injector that fails to open

FUEL INJECTOR INSPECTION

The most important and common causes of injector problems are poor maintenance and general wear and tear of the injectors in your vehicle. Pop some protective gloves on and detach the fuel rails and then each injector in turn from the rail. Once the injectors have been removed easily inspect them for any rust build-up, cracks or damage and replace if necessary.
We are a Zimbabwe leading supplier of quality used injector replacements for all makes and models. Our range of fuel injectors are tested and come with a 90-day peace of mind warranty. Very best of all, by choosing us you can save up to 90% vs buying new. Get the fuel injector you need now and get it delivered fast!

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