How do you maintain the injectors?

Clogged injectors can significantly impact a vehicle’s performance, primarily its engine. Injectors are responsible for spraying fuel into the combustion chamber, which facilitates its mixing with the air before starting. Therefore, when they become clogged, the entire system is compromised. This is why regular injector maintenance is essential. How do you do it?

Clog injectors: what are the causes?

Most modern injection systems use a common rail. This rail’s function is twofold: to increase injection pressure and to maintain this pressure at high engine speeds, up to 2,000 bar. Fuel is injected with greater precision and finer application. However, this can make the injectors more or less resistant to wear. Indeed, a tiny deposit of just 5 microns is enough to reduce an injector’s flow rate by about a quarter. Several factors can lead to injector fouling:

combustion residue,

• poor quality fuel,
• engine stresses related to new emissions standards,
• vehicle usage: frequent stops, limited speed, city driving, etc.
• A clogged injector will directly impact engine performance. This is because the combustion quality is no longer the same.

How to recognize a clogged injector?

A clogged injector will exhibit several signs of malfunction. These include:

a loss of engine power, difficulty starting, misfires during acceleration, the engine warning light illuminating, increased black smoke production, etc.When your vehicle starts exhibiting one of these symptoms, you should clean your injectors as soon as possible. However, if they are in too poor a condition to be repaired, you will need to replace them. You will then need to purchase the correct model. For example,

if you are looking for Delphi injectors you will need to contactauto parts specialists

Order car injectors online How to clean your injectors?

Although injectors are very delicate parts, it is quite possible to clean them yourself. For this, we recommend purchasing an

injector cleaning kit

An injector cleaning kit generally includes a hose and an injector cleaning spray, which you can buy together or separately. It’s worth noting that while an injector kit can be adapted to any vehicle, it’s always best to check with your dealer before buying.

For optimal results, it’s recommended to choose a kit based on polymer amino acids (PEA), a cleaner known for its effectiveness in removing soot deposits. A cleaning fluid based on polyisobutylene (PIB), on the other hand, will only protect the injectors from future deposits. Finally, a cleaner containing polyisobutylene amino acids (PIBA) is ideal for removing and preventing deposits, but it’s less effective than a PEA cleaner. Locate and disconnect the injection pump.

Depending on your vehicle model, its injectors may be more or less difficult to locate. You can, however, refer to the manufacturer’s manual to find them more easily.

Once you have located the injectors, disconnect the fuel pump, which is usually located on the side of the engine.

Carefully separate the injectors from the pump,then redirect the fuel back to the tank by connecting an injector return line to the pump. If your vehicle also has a vacuum pump, you must disconnect that as well.

Connect the injector cleaning kit.

Locate your engine’s fuel rail and refer to your kit’s user manual for instructions on how to connect the fitting and hose to the inlet port. Ensure the fitting is securely in place and that the injectors are not in contact with the fuel. Remove the fuel tank cap to prevent the risk of fire due to pressure buildup in the tank during cleaning. To circulate the cleaning fluid throughout the fuel system,

start your engine after verifying that the fuel pump is off.

Let the engine run until it shuts off automatically once the fluid has circulated. This will take approximately 5 to 10 minutes. Remove the cleaning kit and check the results.

Once the cleaning is complete, remove the kit and reconnect the pump and injectors. Then, reconnect the pump’s power supply and the vacuum pump hose. Finish by replacing the reservoir cap.

After reassembling everything, restart your engine to check that the injectors are functioning correctly again. To do this,